Civil Code · Book I: Persons · Title XIII: Use of Surnames
Current text, as of October 24, 2026
In case of identity of names and surnames between ascendants and descendants, the word "Junior" can be used only by a son. Grandsons and other direct male descendants shall either:
(1) Add a middle name or the mother's surname, or
(2) Add the Roman numerals II, III, and so on.
Consolidated by Alleba from the text of Republic Act No. 386 (Lawphil and the Supreme Court E-Library). Book I provisions on marriage, family relations and parental authority were repealed by the Family Code (Executive Order No. 209, 1987) and are shown for reference only. For information and research only, and not legal advice. For certified copies, refer to the Official Gazette or the issuing agency.