Moore left his first wife, skater Doorn Van Steyn, for singer Dorothy Squires. Squires was 12 years older than him. She was also, at that time, much more famous than he was. They lived together for a short time in Dafen, Llanelli, South Wales. While making a movie in Italy in 1961, Moore left Squires for Italian actress Luisa Mattioli. Moore has a daughter and two sons with Mattioli. Moore ended this marriage in 1993. His current marriage is to the Danish-Swedish multi-millionaire Kristina 'Kiki' Tholstrup.