Christian, Margrave of Brandenburg-Bayreuth
He was the eldest of eleven children born to John George , Elector of Brandenburg by his third wife Princess Elisabeth of Anhalt-Zerbst . 
<triplet> John George, Elector of Brandenburg <subj> Elisabeth of Anhalt-Zerbst <obj> spouse <triplet> Elisabeth of Anhalt-Zerbst <subj> John George, Elector of Brandenburg <obj> spouse