Thicke wuxuu guursaday saddex jeer: guurtidiisii ugu horreysay, ee maalmaha nolosheena actress Gloria Loring, waxay socotay laga bilaabo 1970 ilaa qiyaastii 1984; waxay lahaayeen laba wiil, Brennan iyo Robin. Wuxuu bilaabay inuu la kulmo actress Kristy Swanson markii ay ahayd 17 sano jir sanadkii 1986 wuxuuna u hibeeyay laba sano ka dib markii uu ahaa 42. Wuxuu guursaday xaaskiisa labaad, Miss World 1990 Gina Tolleson, bishii Ogosto 13, 1994, wuxuuna lahaa wiil, Carter William Thicke, ka hor inta aan furiintooda la dhammaystirin bishii Sebtember 29, 1999.
William Carter Thicke