Extended Strong's Hebrew Lexicon (Brown-Driver-Briggs based)
Reuben
Usage: A man of the tribe of Reuben living at the time of the Patriarchs, first mentioned at Gen.29.32; son of: Israel (H3478) and Leah (H3812); brother of: Simeon (H8095), Levi (H3878), Judah (H3063), Issachar (H3485), Zebulun (H2074) and Dinah (H1783); half-brother of: Dan (H1835H), Naphtali (H5321), Gad (H1410), Asher (H0836), Joseph (H3130) and Benjamin (H1144);
father of: Hanoch (H2585J), Pallu (H6396), Hezron (H2696) and Carmi (H3756) § Reuben = "behold a son" 1) the eldest son of Jacob by Leah 2) the tribe descended from Reuben 3) the territory inhabited by the tribe of Reuben