Quick answer

In the Philippines, heirs acquire succession rights when a person dies. Who inherits—and how much—depends on the applicable law, the deceased’s family relationships, whether there is a valid will, and what remains after estate obligations are settled.

A will generally cannot take away a compulsory heir’s protected share, called the legitime, except through legally valid disinheritance. Without a will, the rules on intestate succession determine the heirs and their shares. Being the eldest child, holding the land title, or paying the funeral expenses does not by itself give someone a larger inheritance.

This article explains the ordinary Civil Code framework. Different rules may apply to Muslim estates under the Code of Muslim Personal Laws. Foreign nationality also requires separate analysis: Article 16 of the Civil Code generally makes the deceased’s national law govern the order of succession, inheritance shares, and intrinsic validity of testamentary provisions. lawphil.net

Who can inherit?

Three concepts help explain inheritance rights:

Compulsory heirs have a legally reserved share.
Intestate heirs inherit under the law when there is no effective testamentary disposition covering the property.
Beneficiaries named in a will receive what the will validly gives them, subject to compulsory heirs’ rights.

These categories can overlap. A child may be both a compulsory heir and a beneficiary under a will.

Children, parents, and the surviving spouse

The principal compulsory heirs include legitimate children and descendants; in their absence, legitimate parents and ascendants; the surviving legal spouse; and children born outside marriage whose filiation is established. Parents of a deceased child born outside marriage also have rights under the applicable succession provisions.

They do not necessarily inherit together or in equal amounts. The combination of surviving relatives determines the result. Brothers and sisters are not compulsory heirs, although they may inherit through intestacy or a valid will. See Articles 886–887 of the Civil Code. Supreme Court E-Library

Children born outside marriage

A child born outside marriage can inherit from a parent, but the parent-child relationship must be legally established. A family’s refusal to acknowledge the child does not itself settle the issue.

Under Article 176 of the Family Code, each such child’s legitime is generally one-half of a legitimate child’s legitime, subject to the rules governing the available portion and competing protected shares. This does not mean that every child born outside marriage receives half of the entire estate.

Evidence and filing periods matter. Depending on the evidence relied upon, an action to establish filiation may need to be brought during the alleged parent’s lifetime. Obtain advice promptly if parentage is disputed. Philippine Commission on Women

Adopted children

Under Sections 41 and 43 of Republic Act No. 11642, an adoptee is the adopter’s legitimate child, and adopter and adoptee have reciprocal succession rights without distinction from legitimate filiation.

The law also extends the created legitimate filiation to specified relatives of the adopter. Rights involving biological relatives require separate examination of the adoption’s legal effects and any will; do not assume that adoption simply preserves two complete sets of intestate inheritance rights. Supreme Court E-Library

Grandchildren

A grandchild may inherit by representation, taking the place of a parent in circumstances allowed by law.

In Aquino v. Aquino, G.R. No. 208912, December 7, 2021, the Supreme Court recognized that a child whose parents did not marry each other may inherit from a grandparent by representing the deceased parent. Birth outside marriage is not, by itself, a bar to that direct-line representation.

The ruling does not give every grandchild an immediate share while their parent is alive. The family tree, circumstances permitting representation, and proof of filiation remain essential. elibrary.judiciary.gov.ph

Determine what actually belongs to the estate

A surviving spouse’s own property share is separate from the spouse’s inheritance.

First identify the spouses’ property regime, their exclusive assets, and the assets and liabilities of their community or conjugal partnership. Liquidation determines what belongs to the surviving spouse and what enters the deceased’s estate.

For example, if liquidation establishes that the survivor owns half of the net marital property, that half is already the survivor’s. Only the deceased’s share, together with the deceased’s other estate assets, is available for succession.

Do not assume that everything titled in one spouse’s name was exclusively theirs, or that every married couple’s assets are automatically divided in half. Acquisition dates, the marriage settlement, the applicable property regime, and the source of funds can change the result. The liquidation rules appear in the Family Code. Supreme Court E-Library

How are inheritance shares calculated?

Without a will: intestate shares

The following examples concern the net distributable estate, after the surviving spouse’s ownership is separated and estate obligations are accounted for. They assume the listed relatives are the only relevant heirs, with no disqualification or representation issue.

Surviving heirs	General intestate distribution
Legal spouse and legitimate children only	The spouse receives the same share as each child
Legal spouse and legitimate parents only	One-half to the spouse; one-half to the parents
Legal spouse and children born outside marriage only	One-half to the spouse; one-half collectively to those children
Legal spouse, legitimate parents, and children born outside marriage	One-half to the parents; one-fourth to the spouse; one-fourth collectively to those children
Legal spouse and siblings only, with no descendants or ascendants entitled to inherit	One-half to the spouse; one-half collectively to the siblings

These follow Articles 996–1001. Mixed families, deceased children leaving descendants, and different sibling relationships require additional calculations. ldr.senate.gov.ph

Example: If the net distributable estate is ₱3 million and the only heirs are a spouse and two legitimate children, each receives ₱1 million.

With a will: legitimes and the free portion

A legitime is a protected minimum, not necessarily the heir’s entire entitlement. A valid will may give an heir more from the disposable portion.

The distinction matters even in a simple family. Where only a spouse and one legitimate child survive:

Without a will: each generally inherits one-half.
With a will: the child’s legitime is one-half and the spouse’s is one-fourth; the remaining one-fourth may be disposed of through a valid will.

The Supreme Court has expressly distinguished these testamentary and intestate rules. Do not use a legitime chart as though it automatically distributes an intestate estate. elibrary.judiciary.gov.ph

Can an heir be excluded?

Disinheritance requires more than a family disagreement

Valid disinheritance requires a will specifying a cause recognized by law. If the disinherited heir denies the cause, the other heirs must prove it. Estrangement or another relative’s declaration that someone is “no longer part of the family” does not automatically satisfy these requirements.

An heir receiving less than the legitime may seek its completion and the reduction of excessive testamentary dispositions, where appropriate. Supreme Court E-Library

Complete omission can have different consequences

Preterition involves the total omission of a compulsory heir in the direct line, without express disinheritance. When its requirements are met, it annuls the institution of heirs, while devises and legacies remain effective insofar as they do not impair legitimes.

A missing name alone does not establish preterition. Prior advances, gifts, and other benefits must be examined. The Supreme Court explained this distinction in Trinidad v. Trinidad, G.R. No. 254695. Supreme Court E-Library

How heirs can settle the estate

If there is a will, address probate

A will must be proved and allowed by the proper court before it can pass property. Notarization alone does not replace probate.

Under Rule 75, the custodian generally must deliver the will to the proper court or named executor within 20 days after learning of the testator’s death. A named executor has a corresponding presentation duty, with the starting point depending on when the executor learns of the death and appointment. Preserve the original and obtain assistance promptly. Supreme Court E-Library

If there is no will, check eligibility for extrajudicial settlement

Rule 74 permits extrajudicial settlement where the deceased left no will and no debts, and all heirs are adults or minors are represented by judicial or legal representatives duly authorized for the purpose.

The process includes:

A public instrument executed by the heirs and filed with the Register of Deeds.
Publication once a week for three consecutive weeks in a newspaper of general circulation.
A bond equivalent to the value of personal property involved, as required by the rule.

A sole heir may use an affidavit of self-adjudication when the conditions apply. Publication does not authorize concealing an heir or signing for someone without authority. Supreme Court E-Library

If agreement is impossible, obtain advice on the proper court action

Depending on the circumstances, the appropriate route may involve administration, partition, or relief within an existing estate proceeding.

One heir generally may transfer their own undivided interest, but cannot transfer the other heirs’ shares without authority. A sale by one co-owner therefore requires careful examination; it is not automatically effective over the entire property. elibrary.judiciary.gov.ph

Estate tax and important deadlines

Inheritance shares and estate tax are separate issues. For deaths on or after January 1, 2018, the ordinary estate-tax rate is 6% of the net taxable estate, not automatically 6% of gross assets or each heir’s share.

Applicable deductions include a ₱5 million standard deduction for a citizen or resident and a qualifying family-home deduction of up to ₱10 million. Different rules apply to nonresident aliens and earlier deaths.

The estate-tax return is generally due within one year of death, with payment ordinarily due upon filing. Registered or registrable assets may require a return even when deductions leave no tax payable. Returns showing gross estate exceeding ₱5 million require a CPA-certified statement.

Extensions and installment arrangements have conditions; they are not automatic. Consult BIR Revenue Regulations No. 12-2018 and the concerned BIR office before the deadline. bir-cdn.bir.gov.ph

Do not confuse the tax deadline with marital-property liquidation. Where no judicial estate-settlement proceeding is instituted, Family Code Articles 103 and 130 prescribe liquidation periods of one year for absolute community property and six months for conjugal partnership property, respectively, with consequences for subsequent dispositions. Supreme Court E-Library

Practical steps and evidence to preserve

Before signing a settlement, waiver, or sale:

Establish the family tree. Obtain death, birth, and marriage records; adoption documents; and relevant judgments. Include children from other relationships and descendants of deceased children.
Locate the original will. Keep copies and record who holds the original.
Inventory assets and obligations. Collect titles, acquisition deeds, tax declarations, account and investment records, loan documents, and mortgage details.
Document prior transfers. Preserve donation deeds, sale documents, and proof of payment so their effect can be assessed.
Keep an estate accounting. Retain receipts for expenses, rental collections, withdrawals, repairs, and distributions.
Obtain settlement and registration records. Keep signed instruments, publication proof, BIR filings, payment receipts, and court orders.
Have the proposed division checked. Ask for a written calculation identifying the estate, heirs, applicable shares, and treatment of earlier gifts.

If documents are withheld, request copies in writing and preserve the response. Obtain certified records from the issuing office where available.

Common mistakes to avoid

Treating the surviving spouse’s ownership share as though it were entirely inherited.
Assuming all children must receive identical shares in every situation.
Omitting an heir because they live abroad, are estranged, or were born outside marriage.
Treating possession of the title or management of the property as exclusive ownership.
Signing a “waiver” without understanding its property and tax effects.
Assuming publication cures an inaccurate extrajudicial settlement.
Waiting for family negotiations to finish before checking legal and tax deadlines.

When legal help is urgent

Seek prompt assistance if a property sale is imminent, signatures appear forged, assets are disappearing, a minor’s share is being waived, parentage is disputed, or you receive court papers.

Do not assume every excluded heir has only two years to sue. Rule 74 contains a two-year protection mechanism, but the Supreme Court has held that its limitation does not automatically apply to an heir who did not participate in the extrajudicial settlement. Other limitation periods and remedies depend on the claim, notice, possession, and documents. Delay can still prejudice recovery. Supreme Court E-Library

Frequently asked questions

Does the eldest child receive more?

Birth order alone does not increase a child’s legal share. Any larger entitlement must have another lawful basis, such as a valid testamentary gift within the disposable portion.

Does a child born outside marriage need the deceased parent’s surname to inherit?

The decisive issue is legally established filiation, not surname alone. The supporting evidence and applicable filing period must be assessed. elibrary.judiciary.gov.ph

Does the surviving spouse inherit everything if there are no children?

Not necessarily. Parents or other ascendants may inherit with the spouse. In the appropriate circumstances, siblings or their children may also share in an intestate estate. elibrary.judiciary.gov.ph

Can the family ignore a will because everyone agrees?

Family agreement does not replace the requirement that a will be proved and allowed by the proper court. Obtain advice before distributing property contrary to a discovered will. Supreme Court E-Library

Does paying estate tax establish who owns the property?

Tax compliance does not resolve a disputed claim to heirship or replace proper estate settlement. A lawful transfer requires the supporting settlement or court documents and applicable registration requirements.

Official sources

This article provides general Philippine legal information, not advice for a particular estate. Entitlement and remedies depend on the applicable law, family records, property documents, and procedural history. Sources checked on October 16, 2026.