Kings » When first established in israel, not hereditary
Then Samuel told Saul, "You have acted foolishly. You haven't obeyed the commandment of the LORD your God, which he commanded you. For then the LORD would have established your kingdom over Israel forever,
He is not to exalt himself over his relatives, nor turn aside from the commandment neither to the right nor to the left so that he and his sons may reign long in Israel."
Samuel told him, "The LORD has torn the kingdom of Israel away from you today, and he has given it to your neighbor who is better than you. Moreover, the Glory of Israel does not lie or change his mind, for he's not a man that he should change his mind."