Wilf was married to the educator and philanthropist Dr. Marcia Robbins-Wilf. She is the daughter of
Saul Robbins, the co-founder of the
Remco toy company, and his wife Ruth. Their divorce negotiations took 12 years, with $20 million in fees for lawyers and accountants. According to Wilf, "I was divorced, married and had a baby all in one week." Wilf and his wife Beth have four children and live in New York City. He is a member of
Mountain Ridge Country Club in
West Caldwell, and a keen golfer. ==References==