Setting
If a man acknowledges his paternity of a child (even) for a moment, he has no right to deny it (later)
If a man acknowledges his paternity of a child (even) for a moment, he has no right to deny it (later)
‘Umar ibn al-Khattāb (may Allah be pleased with him) said: "If a man acknowledges his paternity of a child (even) for a moment, he has no right to deny it (later)."
[Its chain of narrators is Hasan/Sound.] [Al-Bayhaqi]
Explanation
This report indicates that if a man acknowledges his paternity of a child, he has no right to deny this paternity or the child’s attribution to him later. This is because paternity is one of the rights that is established by acknowledgment, and a subsequent denial or negation is not acceptable.