Abihail in Easton's Bible Dictionary

father of might. (1.) Num. 3:35. (2.) 1 Chr. 2:29. (3.) 1 Chr. 5:14. (4.) The second wife of King Rehoboam (2 Chr. 11:18), a descendant of Eliab, David's eldest brother. (5.) The father of Esther and uncle of Mordecai (Esther 2:15).

Link: https://bible-history.com/eastons/A/Abihail/