In the Book of Genesis, Tamar (/ ˈ t eɪ m ər /; Hebrew: תָּמָר, Modern: Tamar pronounced, Tiberian: Tāmār pronounced [tʰɔːˈmɔːr], date palm) was the daughter-in-law of Judah (twice), as well as the mother of two of his children: the twins Perez and Zerah.