Lewis Short
Ismaël | Ismăēlītes, indecl. (noun M.m) : or
* Abraham's son by Hagar, Ishmael, Vulg. Gen. 16, 15 sqq.; gen. Ismaël, id. ib. 25, 12: -ēlis,id. ib. 25, 16.—Hence, , , , a descendant of Ishmael, Vulg. 1 Par. 2, 17; id. Gen. 37, 27.
Charlton T. Lewis, Charles Short, A Latin Dictionary