Josh Haden
Based in Los Angeles , he is the brother of the Haden Triplets Petra ( that dog . , Foo Fighters , The Decemberists , Sean Lennon ) , Tanya ( Silversun Pickups , Let's Go Sailing; who married comedian Jack Black in 2006 ) , and Rachel ( that dog . , The Rentals ) . 
<triplet> Petra <subj> Tanya <obj> sibling <subj> Rachel <obj> sibling <triplet> that dog. <subj> Los Angeles <obj> location of formation <subj> Petra <obj> has part <subj> Rachel <obj> has part <triplet> Tanya <subj> Petra <obj> sibling <subj> Jack Black <obj> spouse <triplet> Silversun Pickups <subj> Los Angeles <obj> location of formation <triplet> Let's Go Sailing <subj> Los Angeles <obj> location of formation <triplet> Jack Black <subj> Tanya <obj> spouse <triplet> Rachel <subj> Petra <obj> sibling <triplet> The Rentals <subj> Los Angeles <obj> location of formation