sentences:  He married to Constance Wiel, and the couple had seven children, among them Mads Wiel Nygaard, who was the father of William Nygaard, and Andreas Melchior Wiel Nygaard.Their daughter Constance Wiel Nygaard married physician Thomas Schram.In 1894 he bought Drammensveien 99 and moved in with his family.