Genesis 36:15

36:15 These were the chiefs among the descendants of Esau, the sons of Eliphaz, Esau’s firstborn: chief Teman, chief Omar, chief Zepho, chief Kenaz,

Genesis 41:51

41:51 Joseph named the firstborn Manasseh, saying, “Certainly God has made me forget all my trouble and all my father’s house.”

Genesis 48:18

48:18 Joseph said to his father, “Not so, my father, for this is the firstborn. Put your right hand on his head.”