In an interview with People magazine in 1989, Dennis revealed she and Gerry Mulligan had suffered a miscarriage in 1965 and went on to say, "if I'd been a mother, I would have loved the child, but I just didn't have any connection with it when I was pregnant…I never, ever wanted children.
I en intervju med People Magazine 1989, avslöjade Dennis hon och Gerry Mulligan hade drabbats av ett missfall 1965 och fortsatte med att säga, "om jag hade varit en mamma, skulle jag ha älskat barnet, men jag hade bara inte något samband med det när jag var gravid...