Sean Douglas, 38, is Michael Keaton’s one and only child. While he is renowned for his roles in Beetlejuice, Batman, and Batman Returns, one of his proudest accomplishments is being a father., He was married to Caroline McWilliams from June 5, 1982 to January 29, 1990. Does Michael Keaton have children? Yes, 1 child, Sean Douglas (41) Does Michael Keaton have siblings? Yes, 6 siblings, including Paul J. Douglas, Joyce A. Douglas, Robert J. Douglas, Diane M. Douglas, George A. Douglas Jr, and Pamela Douglas-Scichilone, Keaton was married to Caroline McWilliams from 1982 to 1990. He had a relationship with actress Courteney Cox from 1990 to 1995. He is the father of one child, a son named Sean. He was born in 1983. He is the son of George A. Douglas and Leona Elizabeth. His father, Douglas was born in 1905 but passed away in 1977., Sean Douglas is the only child of American actor Michael Keaton. He is an American songwriter but is best known as Michael Keaton’s son. His dad Michael Keaton has made a name for himself in the entertainment industry with his roles in Night Shift, Beetlejuice, Batman, and Birdman., MICHAEL KEATON AND CAROLINE MCWILLIAMS'S SON. Between 1982 and 1990, the "Batman" actor was married to late actress Caroline McWilliams, who passed away on February 11, 2010, due to multiple myeloma, also known as cancer of plasma cells. On May 27, 1983, their only child, Sean Douglas, was born., They have two kids — a son named River, born in 2017, and his sister, Maggie, two years his junior. Keaton is actively involved as a grandparent, and he has spoken about prioritizing his grandchildren much like he does his son. "It's great. I love it..