Zipporah was the wife of Moses and mother of his sons Gershom and Eliezer (Exodus 2:21). Though she is listed as the daughter of Reuel (2:18), she was probably his granddaughter; Reuel was probably the father of Hobab (Numbers 10:29; also called Jethro, Exodus 3:1; 4:18), who in turn was the father of Zipporah. Zipporah circumcised Gershom to prevent Yawheh from killing Moses before he returned to Egypt (4:25). Apparently at that point Zipporah and the children left Moses and went back to live with her father, returning later during the time when the Israelites wandered the wilderness (18:2).