ahinoam

from Easton's 1897 Bible Dictionary

Ahinoam
brother of pleasantness = pleasant. (1.) The daughter of
Ahimaaz, and wife of Saul (1 Sam. 14:50).

  (2.) A Jezreelitess, the first wife of David (1 Sam. 25:43;
27:3). She was the mother of Amnon (2 Sam. 3:2). (See 1 Sam.
30:5, 18; 2 Sam. 2:2.)

from Hitchcock's Bible Names Dictionary (late 1800's)

Ahinoam, beauty of the brother; brother of motion