Шмуэль Б 6:23 Комментарий: Rashi

וּלְמִיכַל֙ בַּת־שָׁא֔וּל לֹֽא־הָ֥יָה לָ֖הּ יָ֑לֶד עַ֖ד י֥וֹם מוֹתָֽהּ׃ (פ)

И у Михаила, дочери Саула, не было ребенка до дня ее смерти.

Rashi on II Samuel

Had no child From that day on.12Prior to that day, she did have a child, Yisroam mentioned earlier (Shmuel II, 3:5), see Rashi there.