Patronymic from r'uwben; a Reubenite or descendant of Reuben -- children of Reuben, Reubenites.
see HEBREW r'uwben
H7206. Reubeni
רְאוּבֵנִי adjective, of a people of foregoing; of individual 1 Chronicles 11:42 a; with article as substantive collective הָראוּבֵנִי Numbers 26:7; 34:14 (both P), Joshua 13:8 (D; +הַגָּדִי), 2 Kings 10:33 ( +id. +הַמְנַשִּׁי), 1 Chronicles 12:38 (van d. H. v.12:37; +הַגָּדִי +מְנַשֶּׁה שֵׁבֶט חֲצִי), 26:32 (id.); לָראוּבֵנִי 5:6; 27:16, +וְלַגָּדִי (+ sometimes מ שֵׁבֶט ׳חֲצִי) Deuteronomy 3:12, 16; 29:7; Joshua 1:12; 12:6; 22:1 (all D), 1 Chronicles 5:26, compare Deuteronomy 4:43.
רְאִית רְאָיָה, רֳאִי, רְאִי, ראות, see ראה.
רְאֵים see ראישׁון רְאֵם see רִאשׁוֺן. p. 911, below