Humphrey II of Toron
Humphrey himself later married Philippa , sister of Bohemund III of Antioch , who had previously had an affair with future Byzantine emperor Andronicus I Comnenus , Manuel's cousin . 
<triplet> Philippa <subj> Bohemund III of Antioch <obj> sibling <triplet> Bohemund III of Antioch <subj> Philippa <obj> sibling