Kate Beckinsale married (Director, Writer, Art Department, Producer) Len Wiseman (9 May 2004 - present).
Her mother, Judy Loe is an actress, and her father, Richard Beckinsale, was famous as a comedy actor.
Half-sister of actress Samantha Beckinsale.
Has a daughter, Lily Mo Sheen (b. 31 January 1999), with Welsh actor Michael Sheen.