He is survived by his daughters, Victoria Leacock Hoffman of New York City; Elspeth Leacock of Brooklyn, New York; Claudia Leacock of New York City; two sons, Robert Leacock of Watermill, New York; and David Leacock of Jupiter, Florida; his companion, Valerie Lalonde of Paris, France; a half-sister, Martha Leacock Crawford of England; and nine grandchildren.