שמואל ב ו:יא פירוש: רש״י

And Hashem blessed. His wife and her eight daughters-in-law each gave birth to six children in one stomach⁹Pregnancy. as it is said, (Divrei Hayomim I, 26:5–8) "Poualti, the eigth¹⁰Child of Oveid Edom.… sixty-two [belonging] to Oveid Edom.¹¹See Berachos 63b.