Engelbert III Of Sponheim
Engelbert III (died 6 October 1173), a member of the Rhenish Franconian House of Sponheim, was Margrave of Istria from 1124 until his death. Life Engelbert was the second son of Margrave Engelbert II and his first wife Uta of Passau. When his father succeeded his elder brother Henry as Duke of Carinthia, Engelbert III received the margravial title in Istria. However, he mainly ruled in the Sponheim estates around Kraiburg in Bavaria, bequested by his mother. In 1135 Emperor Lothair III dispatched him to a synod at Pisa in Italy, in order to back Pope Innocent II against Antipope Anacletus II. In turn, Engelbert was vested with the Imperial March of Tuscany, but was succeeded by the Welf duke Henry X of Bavaria already in 1137. Engelbert attended the 1156 Imperial Diet in Regensburg, where he witnessed the granting of the '' Privilegium Minus'' by Emperor Frederick Barbarossa, elevating the March of Austria to a duchy. In 1140 Engelbert had married Matilda, youngest da ...
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House Of Sponheim
The House of Sponheim or Spanheim was a medieval German noble family, which originated in Rhenish Franconia. They were immediate Counts of Sponheim until 1437 and Dukes of Carinthia from 1122 until 1269. Its cadet branches ruled in the Imperial County of Ortenburg-Neuortenburg and various Sayn-Wittgenstein states until 1806. History The family took its name from their ancestral seat at Sponheim Castle in the Hunsrück range, in present-day Burgsponheim near Bad Kreuznach, Rhineland-Palatinate. From the 11th century the family was divided in two closely related branches. One of these branches, probably the senior one, retained the Duchy of Carinthia and originated the County of Ortenburg in Bavaria. The other one remained in Rhenish Franconia, retaining the County of Sponheim. The founder of the ducal branch was Count Siegfried I (1010–1065), a Ripuarian Frank by birth and retainer of the Salian emperor Conrad II. For this reason the family is sometimes termed the Sieg ...
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