Sarai’s offer was in line with the custom of the day ​ — that a barren wife was obligated to provide her husband with a concubine in order to produce an heir.
Tawaran Sarai selaras dengan kebiasaan pada masa itu ​ — bahwa seorang istri yang mandul wajib menyediakan gundik bagi suaminya guna menghasilkan ahli waris.