Metrocles
He studied in Aristotle’s Lyceum under Theophrastus , and eventually became a follower of Crates of Thebes who married Metrocles’ sister Hipparchia . 
<triplet> Aristotle <subj> Theophrastus <obj> student <triplet> Theophrastus <subj> Aristotle <obj> student of <triplet> Crates of Thebes <subj> Hipparchia <obj> spouse <triplet> Metrocles <subj> Hipparchia <obj> sibling <triplet> Hipparchia <subj> Crates of Thebes <obj> spouse <subj> Metrocles <obj> sibling