Three sons of Benjamin: Bela, Beker and Jediael.
References for 1 Chronicles 7:6
The sons of Bela: Ezbon, Uzzi, Uzziel, Jerimoth and Iri, heads of families—five in all. Their genealogical record listed 22,034 fighting men.
The sons of Beker: Zemirah, Joash, Eliezer, Elioenai, Omri, Jeremoth, Abijah, Anathoth and Alemeth. All these were the sons of Beker.
Their genealogical record listed the heads of families and 20,200 fighting men.
The son of Jediael: Bilhan. The sons of Bilhan: Jeush, Benjamin, Ehud, Kenaanah, Zethan, Tarshish and Ahishahar.
All these sons of Jediael were heads of families. There were 17,200 fighting men ready to go out to war.
The Shuppites and Huppites were the descendants of Ir, and the Hushites the descendants of Aher.
References for 1 Chronicles 7:12