Engelbert III (died 6 October 1173) was the Margrave of Istria^[1] and Carniola^[2] from 1124 until his death. Events 105 BC - Battle of Arausio: The Cimbri inflict the heaviest defeat on the Roman army of Gnaeus Mallius Maximus The March (or Margravate) of Istria was originally a Carolingian frontier march covering the Istrian peninsula and surrounding territory The March (or Margraviate) of Carniola (Stara Kranjska Krain was an imperial estate of the Holy Roman Empire and predecessor estate of the He was a Sponheimer, the eldest son of Engelbert II and Uta of Passau. The House of Sponheim or Spanheim (also called the Sponheimer or Spanheimer) was a German Noble family of the High Middle Ages Engelbert II (died 12 or 13 April 1141) was the Count of Sponheim from 1096 and Margrave of Istria and Carniola from sometime between He succeeded his father in Istria and Carniola when his father was raised to the Duchy of Carinthia. The Duchy of Carinthia (Herzogtum Kärnten Vojvodina Koroška was a Duchy located in southern Austria and parts of northern Slovenia. He is sometimes numbered Engelbert II of Istria.

From 1135 to 1137 Engelbert was Margrave of Tuscany. The rulers of Tuscany have varied over time sometimes being Margraves the rulers of handfuls of border counties and sometimes the heads of the most important family In 1156, he witnessed the granting of the Privilegium Minus creating the Duchy of Austria. The Privilegium Minus (as opposed to the later Privilegium Maius, which was a forgery is a document issued by Emperor Frederick I on September 17, The Archduchy of Austria (Erzherzogtum Österreich one of the most important states within the Holy Roman Empire, was the center of the Habsburg Monarchy and

Engelbert married Matilda, youngest daughter of Berengar I of Sulzbach. He was thus a brother-in-law of Gertrude, wife of Conrad III of Germany, and Irene, wife of Manuel I Comnenus. Gertrude of Sulzbach (Gertrud von Sulzbach (c 1114 &ndash 14 April 1146 in Hersfeld was Queen of the Romans and German Queen Conrad III (1093 &ndash 15 February 1152) was the first King of Germany of the Hohenstaufen dynasty Bertha von Sulzbach (1110s- August 29, 1159) was the first wife and Empress of Byzantine Emperor Manuel I Comnenus. For the eldest son of Andronikos I Komnenos and father of Alexios I of Trebizond, see Manuel Komnenos (born 1145. Matilda died late in 1165. They had four children:

• Henry, who inherited Carinthia from his grandfather in 1144
• Urlic, Count of Laibach
• Godfrey, a pries
• Herman II, succeeded his brother in Carinthia

References

• Foundation for Medieval Genealogy: Nobility of Northern Italy (900–1100).

Notes

Preceded by Engelbert II	Margrave of Istria 1142-1173	Succeeded by Berthold I
Preceded by Conrad	Margrave of Tuscany 1135-1137	Succeeded by Henry

Engelbert II (died 12 or 13 April 1141) was the Count of Sponheim from 1096 and Margrave of Istria and Carniola from sometime between The March (or Margravate) of Istria was originally a Carolingian frontier march covering the Istrian peninsula and surrounding territory Berthold IV (died 12 August 1204) was the Count of Andechs (from 1172 and first Duke of Merania, that is the seacoast of Dalmatia The rulers of Tuscany have varied over time sometimes being Margraves the rulers of handfuls of border counties and sometimes the heads of the most important family Henry the Proud (c 1108 &ndash 20 October 1139) was the Duke of Bavaria ( Henry X, 1126&ndash1139 Duke of Saxony ( Henry

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