Simplify the following text for a Grade 10 native English-speaking person.
Original: He is the father of musicians Rufus Wainwright , Martha Wainwright and Lucy Wainwright Roche , brother of Sloan Wainwright , and the former husband of the late folk singer Kate McGarrigle .
Simplified: He is the father of singers Rufus Wainwright , Martha Wainwright and Lucy Wainwright Roche , and the former husband of Kate McGarrigle .