Engelbert III, Margrave of Istria
Engelbert III, a member of the Rhenish Franconian House of Sponheim, was Margrave of Istria from 1124 until his death. Wikipedia
Died: October 6, 1173
Descendants: Urlic, Count of Laibach, Henry VIII, Duke of Carinthia, and Godfrey of Istria
Grandparents: Engelbert I of Sponheim and Engelbert I, Margrave of Istria
Great-grandparent: Siegfried I, Count of Sponheim
Parents: Engelbert, Duke of Carinthia and Uta of Passau
Spouse: Matilda of Sulzbach (m. ?–1165)
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