Margrave of Austria as Leopold IV from 1136, and Duke of Bavaria as Leopold I from 1139 until his death in 1141.
Also known as Leopold the Generous.
Son of Saint Leopold III and Agnes of Germany (daughter of the Salian Emperor Henry IV). Second marriage for both.
mtDNA HVR1 and HVR2 data derived from DNA testing of the remains of his mother, Agnes of Germany.