1 Samuel 17:13

13The three oldest sons of Jesse had followed Saul to the battle. And a  the names of his three sons who went to the battle were Eliab the firstborn, and next to him Abinadab, and the third Shammah.

2 Samuel 13:3

3But Amnon had a friend, whose name was Jonadab, the son of b  Shimeah, David’s brother. And Jonadab was a very crafty man.
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