De Jesus vs. Dizon

Children born within a valid marriage are conclusively presumed legitimate, and this status cannot be collaterally attacked in a partition suit; a direct action to impugn legitimacy must first succeed before illegitimate filiation to another can be established.

Danilo B. de Jesus and Carolina Aves de Jesus were married on August 23, 1964. During this marriage, Jacqueline A. de Jesus and Jinkie Christie A. de Jesus were born on March 1, 1979, and July 6, 1982, respectively. On June 7, 1991, Juan G. Dizon executed a notarized document acknowledging Jacqueline and Jinkie as his own illegitimate children by Carolina. Juan G. Dizon died intestate on March 12, 1992, leaving substantial assets.

• Birth and Legitimate Status: Petitioners Jacqueline and Jinkie were born during the valid marriage of Danilo B. de Jesus and Carolina Aves de Jesus. Their certificates of live birth identify Danilo de Jesus as their father.
• Acknowledgment by Putative Father: On June 7, 1991, Juan G. Dizon executed a notarized document acknowledging petitioners as his illegitimate children by Carolina.
• Death and Partition Suit: Juan G. Dizon died intestate on March 12, 1992. Relying on the notarized acknowledgment, petitioners filed a complaint for partition, inventory, and accounting of the Dizon estate on July 1, 1993.
• Motion to Dismiss: Respondents, the surviving spouse and legitimate children of Dizon, moved to dismiss the complaint, arguing that the action effectively sought to alter the petitioners' status from legitimate children of the de Jesus marriage to illegitimate children of Dizon.
• Subsequent Dismissal: After the case was remanded by the Court of Appeals, respondents filed an omnibus motion reiterating that a partition suit was an improper forum to ascertain paternity and filiation. The trial court ultimately dismissed the complaint, declaring that the declaration of heirship could only be made in a special proceeding.

• Sufficiency of Authentic Writing: Petitioners maintained that the notarized acknowledgment by the decedent constitutes an authentic writing that, by itself, establishes their status as illegitimate children and requires no separate action for judicial approval, invoking the doctrine in Divinagracia v. Bellosillo.

• Inapplicability of Divinagracia: Respondents countered that Divinagracia is inapplicable because that case did not involve an attempt to impugn legitimate filiation.
• Improper Remedy: Respondents argued, relying on Sayson v. Court of Appeals, that the issue of legitimacy cannot be questioned in a complaint for partition and accounting but must be seasonably brought in a direct action frontally addressing the issue.

• Filiation via Authentic Writing: Whether a notarized acknowledgment of illegitimate filiation by a putative father suffices to establish filiation when the children were born during the mother's valid marriage to another man.
• Collateral Attack on Legitimacy: Whether the legitimacy of children born in wedlock can be collaterally attacked in a suit for partition.

• Filiation via Authentic Writing: The notarized acknowledgment cannot be given effect to establish illegitimate filiation because petitioners' legitimacy as children of Danilo de Jesus is conclusively presumed by law. The acknowledgment does not overcome this presumption absent a prior successful action to impugn legitimacy. While voluntary recognition in an authentic writing is a consummated act of acknowledgment requiring no further court action, this rule cannot be invoked when it collaterally attacks a child's legitimate status fixed by the presumption of legitimacy.
• Collateral Attack on Legitimacy: Legitimacy cannot be collaterally attacked. Petitioners must first file a direct suit to impugn their legitimate status before claiming rights as illegitimate children of another. The presumption of legitimacy becomes fixed and unassailable after the prescriptive periods under Articles 170 and 171 of the Family Code expire. Because petitioners were born in wedlock, it was not for them to declare that they could not have been the legitimate children of the spouses, directly opposing the entries in their birth certificates.

• Presumption of Legitimacy — Children conceived or born during the marriage of the parents are legitimate. This presumption is founded on sound morality and convincing reason, becoming conclusive in the absence of proof of physical impossibility of access between the spouses during the first 120 days of the 300 days immediately preceding the birth. The Court applied this doctrine to bar petitioners from asserting illegitimate filiation, as their birth during the de Jesus marriage conferred a fixed civil status that only the husband, or his heirs in exceptional instances, can contest in an appropriate direct action.
• Prohibition Against Collateral Attack on Legitimacy — The paramount declaration of legitimacy by law cannot be attacked collaterally; it can only be repudiated or contested in a direct suit specifically brought for that purpose. The Court applied this doctrine to affirm the dismissal of the partition suit, as petitioners' attempt to establish illegitimate filiation effectively impugned their legitimate status without filing the required direct action to impugn legitimacy.
• Voluntary Recognition via Authentic Writing — The due recognition of an illegitimate child in a record of birth, a will, a statement before a court of record, or an authentic writing is a consummated act of acknowledgment requiring no further court action. The Court clarified that this doctrine applies only when there is no prior legitimate status to impugn; it cannot override the presumption of legitimacy when the child was born during a valid marriage.

• "There is perhaps no presumption of the law more firmly established and founded on sounder morality and more convincing reason than the presumption that children born in wedlock are legitimate."
• "The rule that the written acknowledgement made by the deceased Juan G. Dizon establishes petitioners' alleged illegitimate filiation to the decedent cannot be validly invoked to be of any relevance in this instance. This issue, i.e whether petitioners are indeed the acknowledge illegitimate offsprings of the decedent, cannot be aptly adjudicated without an action having been first instituted to impugn their legitimacy as being the children of Danilo B. de Jesus and Carolina Aves de Jesus born in lawful wedlock."

• Divinagracia v. Bellosillo, 143 SCRA 356 — Distinguished. Petitioners relied on this case to argue that an authentic writing suffices for voluntary recognition without judicial action. The Court distinguished it, noting that Divinagracia involved an illegitimate child claiming recognition, not legitimate children attempting to assert illegitimate filiation, which inherently requires impugning their existing legitimate status.
• Sayson v. Court of Appeals, 205 SCRA 321 — Followed. The Court adopted the ruling that the issue of legitimacy cannot be questioned in a complaint for partition and accounting but must be brought in a direct action.
• Tison v. Court of Appeals, 276 SCRA 582 — Followed. Cited for the firmly established presumption of legitimacy and the principle that legitimacy cannot be attacked collaterally.
• Gono-Javier v. Court of Appeals, 239 SCRA 593 — Cited for the rule that voluntary recognition in an authentic writing requires no further court action, but judicial action is essential if a claim for recognition is predicated on other evidence merely tending to prove paternity.
• Macadangdang v. Court of Appeals, 100 SCRA 73 — Cited for the principle under Article 167 of the Family Code that a child born in wedlock is considered legitimate although the mother may have declared against its legitimacy or may have been sentenced as an adulteress.

• Article 164, Family Code — Provides that children conceived or born during the marriage of the parents are legitimate. Applied as the basis for the presumption of petitioners' legitimacy.
• Article 166, Family Code — Enumerates the exclusive grounds for impugning the legitimacy of a child (physical impossibility of sexual intercourse, biological or scientific reasons, or vitiated consent in artificial insemination). Applied to demonstrate the strict limits under which the presumption of legitimacy may be overturned.
• Article 167, Family Code — Provides that a child born in wedlock is legitimate although the mother may have declared against its legitimacy or may have been sentenced as an adulteress. Applied to reinforce the strength of the presumption against the mother's or putative father's claims.
• Articles 170 and 171, Family Code — Prescribe the periods within which the husband or his heirs may impugn the legitimacy of a child. Applied to show that upon the expiration of these periods, the status conferred by the presumption becomes fixed and unassailable.
• Article 172, Family Code — Enumerates the modes by which the filiation of legitimate and illegitimate children is established. Applied to outline the evidentiary requirements for proving filiation, which petitioners attempted to invoke but failed due to the overriding presumption of legitimacy.

Melo, Panganiban, Sandoval-Gutierrez, JJ.