Skip to content

Article 176 of the Family Code: Illegitimate children: surname, parental authority, legitime

Status: Amended

Amended

This provision has been amended. The text below is the current version.

What does Article 176 say?

Illegitimate children shall use the surname and shall be under the parental authority of their mother, and shall be entitled to support in conformity with this Code. However, illegitimate children may use the surname of their father if their filiation has been expressly recognized by the father through the record of birth appearing in the civil register, or when an admission in a public document or private handwritten instrument is made by the father. Provided, the father has the right to institute an action before the regular courts to prove non-filiation during his lifetime. The legitime of each illegitimate child shall consist of one-half of the legitime of a legitimate child.

Read the full text on the Supreme Court E-Library

What does it mean in plain language?

Article 176 of the Family Code, as amended by Republic Act No. 9255, sets four rules for illegitimate children. They use the mother's surname, but may use the father's surname if he recognized them. They are under the mother's parental authority. They are entitled to support. And each one's legitime is half of a legitimate child's.

An illegitimate child is a child conceived and born outside a valid marriage, unless the Code says otherwise (Article 165). A child of married parents is covered by Article 164 instead.

How does it work in real life?

Rina and Jake: a signed birth record

Rina and Jake are not married. When their son is registered, Jake expressly recognizes him in the birth record. The boy may use Jake's surname under Article 176. He remains under Rina's parental authority.

Ivy and Rex: a father who wants his surname used

Ivy and Rex are not married. Their daughter was registered under Ivy's surname. Years later, Rex signs a public document recognizing her and wants her surname changed to his. Under Grande v. Antonio, Rex cannot compel it. The law says the child "may" use the father's surname, not "shall", and the choice belongs to the child.

Ella's inheritance share

Ella is the recognized illegitimate daughter of Mario. Under Article 176, her legitime is half of what the law reserves for each of Mario's legitimate children. The exact peso share depends on the whole estate and the other heirs.

These are made-up examples to show how the rule works. They are not advice for any real case.

What does this mean in practice?

What does Article 176 say now?

This is the text in force, as rewritten by Republic Act No. 9255 (approved February 24, 2004):

Illegitimate children shall use the surname and shall be under the parental authority of their mother, and shall be entitled to support in conformity with this Code. However, illegitimate children may use the surname of their father if their filiation has been expressly recognized by the father through the record of birth appearing in the civil register, or when an admission in a public document or private handwritten instrument is made by the father. Provided, the father has the right to institute an action before the regular courts to prove non-filiation during his lifetime. The legitime of each illegitimate child shall consist of one-half of the legitime of a legitimate child.

Article 176, Family Code

In plain words:

  1. Surname. The general rule is the mother's surname. The child may use the father's surname if the father recognized the child in one of three ways: in the birth record in the civil register, in a public document, or in a private handwritten instrument.
  2. Parental authority. The mother has it. Using the father's surname does not change this.
  3. Support. The child is entitled to support under the Code's rules on support.
  4. Legitime. Each illegitimate child's legitime is one-half of a legitimate child's legitime.
  5. Father's right. The father may go to court, during his lifetime, to prove that he is not the father.

See also the comparison legitimate vs illegitimate child.

What did RA 9255 change?

The consolidated Family Code page on the Supreme Court E-Library still prints the original 1987 Article 176. That version did not provide for the child to use the father's surname. Republic Act No. 9255 added the sentence on the father's surname and the father's right to prove non-filiation. The parts on the mother's parental authority, support and the half legitime stayed. The original article also had a closing sentence on the Civil Code rules on successional rights; the RA 9255 text does not repeat it. This page shows Article 176 as amended by Republic Act No. 9255.

Can the father make the child use his surname?

No. In Grande v. Antonio (2014), the full Supreme Court read the word "may" in Article 176. It said the word is permissive: a recognized illegitimate child "is under no compulsion to use the surname of his illegitimate father." The choice belongs to the child, not to the father or the mother. The Court also declared void two rules of the Civil Registrar General's 2004 implementing order that said the child "shall use" the father's surname. It sent the case back to the trial court to find out which surname the children would choose.

The steps for using the father's surname are done at the local civil registrar and the PSA. This page does not list them, because the current PSA rules could not be read on an official page. For more, see can an illegitimate child use the father's surname?

Who has parental authority over an illegitimate child?

The mother. In Briones v. Miguel (2004), the Supreme Court said an illegitimate child is under the sole parental authority of the mother. Citing an earlier ruling, it said the father's recognition could be a ground for ordering him to give support, but not custody. In Masbate v. Relucio (2018), the Court said the mother has sole parental authority even if the father recognized the child. If she is found unfit, the law gives substitute parental authority first to the surviving grandparent (Articles 214 and 216). The Court also said that the rule keeping a child under seven with the mother (Article 213) does not distinguish between legitimate and illegitimate children. See who has custody of an illegitimate child?

Which Supreme Court rulings are relevant?

Frequently asked questions

What surname does an illegitimate child use?

The mother's surname, as the general rule in Article 176. Since Republic Act No. 9255, the child may use the father's surname if the father expressly recognized the child in the birth record, or admitted paternity in a public document or a private handwritten instrument.

Can the father force the child to use his surname?

No. In Grande v. Antonio (2014), the Supreme Court said the word 'may' in Article 176 is permissive. A recognized illegitimate child is under no compulsion to use the father's surname, and the father cannot dictate it.

Does the father get parental authority if the child uses his surname?

No. Article 176 keeps the rule that illegitimate children are under the parental authority of their mother. RA 9255 changed the surname part only. In Briones v. Miguel (2004), the Supreme Court, citing an earlier ruling, said the father's recognition could be a ground for ordering him to give support, but not custody.

How much does an illegitimate child inherit?

Article 176 says the legitime of each illegitimate child is one-half of the legitime of a legitimate child. The legitime is the part of the estate the law reserves for compulsory heirs.

Is an illegitimate child entitled to support from the father?

Yes. Article 176 says illegitimate children are entitled to support in conformity with the Code, and Article 195(4) names parents and their illegitimate children among those who must support each other. Filiation must be established.

Can the father deny that he is the father after signing?

Article 176, as amended, says the father has the right to file an action in the regular courts to prove non-filiation during his lifetime.

General information, not legal advice. For your case, ask a lawyer, the Public Attorney's Office (PAO) or the agency.

Share this page

Was this page helpful?

Report outdated or incorrect info

Do not include personal details such as your name, ID numbers or passwords.