The son of Bichri ... - Rather, “a Bichrite,” formed like the names “Ahohite,” “Hachmonite,” etc. 2 Samuel 23:8-9, and so called from Becher, the son of Benjamin Genesis 46:21; 1 Chronicles 7:6-8 Saul was also of this family. It is evident that the transfer of the royalty from their tribe to that of Judah still rankled in the hearts of many Benjamites (2 Samuel 16:8 note).
Related Commentaries of 2 Samuel 20:1
2 Samuel 20:1
1 And there happened to be there a man of Belial, whose name was Sheba, the son of Bichri, a Benjamite: and he blew a trumpet, and said, We have no part in David, neither have we inheritance in the son of Jesse: every man to his tents, O Israel.