That would be Ingemar, her father, I believe.
Oops!
Has a daughter, Linn Ullmann, with actress Liv Ullmann. Linn, who played a child in several of her father's movies, became a literary critic, then novelist.
His son Daniel Bergman (with Käbi Laretei), is also a director.
Father of actress Anna Bergman.
Father of actor Mats Bergman
Father of director Eva Bergman
His son Ingmar Bergman Jr. is an airline captain.
Source: www.imdb.com