Cross reference
Genesis 49:3
3 Reuben, you are my oldest son, the first-fruit of my strength, first in pride and first in power:
Deuteronomy 21:17
17 But he is to give his first son his birthright, and twice as great a part of his property: for he is the first-fruits of his strength and the right of the first son is his.
Psalms 78:51
51 He gave to destruction all the first sons of Egypt; the first-fruits of their strength in the tents of Ham;
Genesis 29:32
32 And Leah was with child, and gave birth to a son to whom she gave the name Reuben: for she said, The Lord has seen my sorrow; now my husband will have love for me.
Psalms 105:36
36 He put to death the first child of every family in the land, the first-fruits of their strength.
1 Chronicles 5:3
3 The sons of Reuben, the oldest son of Israel: Hanoch and Pallu, Hezron and Carmi.
1 Chronicles 5:1
1 And the sons of Reuben, the oldest son of Israel, (for he was the oldest son, but, because he made his father's bride-bed unclean, his birthright was given to the sons of Joseph, the son of Israel; but he is not to be given the place of the oldest.
1 Chronicles 2:1
1 These are the sons of Israel: Reuben, Simeon, Levi and Judah, Issachar and Zebulun;
Numbers 26:5
5 Reuben, the first son of Israel: the sons of Reuben by their families: of Hanoch, the family of the Hanochites: of Pallu, the family of the Palluites:
Numbers 1:20
20 The generations of the sons of Reuben, the oldest son of Israel, were numbered by their families and their fathers' houses, every male of twenty years old and over, who was able to go to war;
Genesis 48:18
18 And Joseph said to his father, Not so, my father, for this is the older; put your right hand on his head.
Genesis 46:8
8 And these are the names of the children of Israel who came into Egypt, even Jacob and all his sons: Reuben, Jacob's oldest son;