Back Енгелберт III (Спанхайм) Bulgarian Engelbert III d'Ístria Catalan Engelbert III. (Spanheim) German Ένγκελμπερτ Γ΄ της Ιστρίας Greek Engelbert III de Sponheim French Engelbert III dari Istria ID Enghelberto III d'Istria Italian Engelbert III van Istrië Dutch Engelbert al III-lea de Istria Romanian Энгельберт III (маркграф Истрии) Russian
Engelbert III[a] (died 6 October 1173), a member of the Rhenish Franconian House of Sponheim, was Margrave of Istria[1] from 1124 until his death.
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- ^ In contemporary documents marchio Ystrie and marchio de Hystria