A man who says to another: You son of an adulteress; what is his hadd punishment?

Ash'ath reports that al-Hasan al-Basri said: When a man says: O son of two people who committed zina! The one who said it is to be given two prescribed punishments.

Husayn reports that it is narrated from Makhul, concerning a man who said to another man: O zani (one who commits zina) and son of a woman who commits zina, that he said: He is to be given two punishments.