Matthew 15:36

15:36 he took the seven loaves and the fish, and after giving thanks, he broke them and began giving them to the disciples, who then gave them to the crowds.

Matthew 18:21

18:21 Then Peter came to him and said, “Lord, how many times must I forgive my brother who sins against me? As many as seven times?”

Matthew 22:25

22:25 Now there were seven brothers among us. The first one married and died, and since he had no children he left his wife to his brother.