Speaking to HELLO! in 2015, Joan shared: "It is my fifth marriage, and my happiest, and last. Percy is wonderful, he's my soulmate. That doesn't mean we don't bicker but we are very understanding ...

Joan was born on July 26, 1932, in Newton Massachusetts to Eugene and Dorothy MacQueen. Joan married John (Jack) Fox Collins on August 19, 1951, in Waltham Massachusetts.