Smith's Bible Dictionary (1863)
prince of the tribe and over the host of Reuben.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
ELI'ZUR (God his rock), the prince of Eeuben during the census. Num 1:5; Num 2:10; Num 7:30,Num 7:35; Neh 10:18.
Hitchcock's Bible Names (1869)
God is my strength; my rock; rock of God