Azel in the Bible Encyclopedia - ISBE
a'-zel 'atsel, "noble":
(1) A descendant of King Saul, through Jonathan (1 Ch 8:37 f;
(2) Azel, a'-zel, the King James Version Azal 'atsel; Asael;
Zec 14:5): A place not far from Jerusalem. There may be an
echo of the name in that of Wady Yasal, to the right of `Ain
el-Loz, in Wady en-Nar.