1 Kings 2:4

2:4 and the Lord will fulfill his promise to me, ‘If your descendants watch their step and live faithfully in my presence with all their heart and being, then,’ he promised, ‘you will not fail to have a successor on the throne of Israel.’

1 Kings 2:8

2:8 “Note well, you still have to contend with Shimei son of Gera, the Benjaminite from Bahurim, who tried to call down upon me a horrible judgment when I went to Mahanaim. He came down and met me at the Jordan, and I solemnly promised him by the Lord, ‘I will not strike you down with the sword.’

1 Kings 8:20

8:20 The Lord has kept the promise he made. I have taken my father David’s place and have occupied the throne of Israel, as the Lord promised. I have built this temple for the honor of the Lord God of Israel