40 Years Old

forty years old
"Esau was forty years old when he took to wife Judith the daughter of Beeri the Hittite, and Bashemath the daughter of Elon the Hittite: which were a grief of mind to Isaac and to Rebekah . . . and Aholibamah the daughter of Anah the daughter of Zibeon the Hivite; and Bashemath Ishmael's daughter, sister of Nebajoth" (Genesis 26:34-35; 36:2-3).