Reuben Jacob's firstborn , 01_GEN_35:23 The sons of Leah; Reuben, Jacob's firstborn, and Simeon, and Levi, and Judah, and Issachar, and Zebulun: , Reuben Jacob's firstborn , 01_GEN_46:08 And these [are] the names of the children of Israel, which came into Egypt, Jacob and his sons: Reuben, Jacob's firstborn. ,