And Bela the son of Azaz, the son of Shema, the son of Joel,.... The pedigree of Bela, another principal man in the tribe of Reuben, is traced up to Joel the father of Shema; the same with Shemaiah, according to Kimchi and Ben Melech, 1 Chronicles 5:4
who dwelt in Aroer; which belonged to the tribe of Gad, and was rebuilt by them, Numbers 32:34 wherefore Kimchi observes, it may be interpreted, either from Aroer, or on the border of it, Bela dwelt:
even unto Nebo, and Baalmeon; of which Numbers 32:38.