Dave Grohl reveals he welcomed a secret daughter outside his marriage, in a bombshell message shared to Instagram on Tuesday. The Foo Fighters frontman told fans, ‘I plan to be a loving and supportive partner to her. I love my wife and my children, and I am doing everything I can to regain their trust and earn their forgiveness.’ Dave has been married to Jordyn Blum since 2003. The couple share three daughters: 18-year-old Violet, 15-year-old Harper and 10-year-old Ophelia.