How many times did saul try to kill david?

11 1 Sam. 18:11 - Saul attempts with a spear.

1 Sam. 18:17,21 - Saul plots such that his enemies are to do away with David using his older daughter and then younger as David goes to battle w/ the Philistines. Being heir to the throne would make David a prime target.

1 Sam. 19:1 - servants ordered by Saul to kill David.

1 Sam. 19:10 - Saul attempts with spear

1 Sam. 19:11 - Saul sends messengers to kill David.

1 Sam. 19:15 - Saul sends messengers to bring David back so he can kill David.

1 Sam. 19:20 - Saul sends messengers to kill David.

1 Sam. 19:21 - Saul sends messengers again. (third time)

1 Sam. 19:22 - Saul goes himself in an attempt.

1 Sam. 23:15 - Saul sought David in the wilderness of Ziph and Horesh.

1 Sam. 26:2 - Saul seeks David again in Ziph.