Joshua 2:12

2:12 So now, promise me this with an oath sworn in the Lord’s name. Because I have shown allegiance to you, show allegiance to my family. Give me a solemn pledge

Joshua 14:9

14:9 That day Moses made this solemn promise: ‘Surely the land on which you walked will belong to you and your descendants permanently, for you remained loyal to the Lord your God.’