the 3rd lord delamere's brother nathaniel did take up the title as the 4th lord delamere. but this title also became extinct on nathaniel's death in 1770. nathaniel's son, also named henry (1710–1784), refused to take up the title lord delamere for personal reasons. this henry booth was entitled “lord delamere,” but he had no legitimate children. he refused to claim the title, and the barony of delamere terminated, reverting to the crown.