Of the women of Moab; either these were proselytes when they married them, which may well be doubted, from Rth_1:15, or they sinned in marrying them, as appears from Deu_7:3 23:3 Ezr_9:1,2 Ne 13:23, and therefore were punished with short life and want of issue, Rth_1:5,19,21.