2 Samuel 21:6
21:6 let seven of his male descendants be turned over to us, and we will execute them before the Lord in Gibeah of Saul, who was the Lord’s chosen one.” The king replied, “I will turn them over.”
2 Samuel 21:9
21:9 He turned them over to the Gibeonites, and they executed them on a hill before the Lord. The seven of them died together; they were put to death during harvest time – during the first days of the beginning of the barley harvest.