Manuel Komnenos was the fourth son of John II Komnenos and Piroska of Hungary, so it seemed very unlikely that he would succeed his father. Manuel Komnenos was the fourth son of John II Komnenos and Piroska of Hungary, so it seemed very unlikely that he would succeed his father. His maternal grandfather was St. Ladislaus.Having distinguished himself in his father's war against the Seljuk Turks, in 1143 Manuel was chosen as his successor by John, in preference to his elder surviving brother Isaac. The Komnenian Dynasty was founded by Isaac I Komnenos, who was the son of Manuel Komnenos, an officer who served under the Byzantine emperor Basil II. Manuel Komnenos was the fourth son of John II Komnenos and Piroska of Hungary, so it seemed very unlikely that he would succeed his father. Manuel Komnenos was the fourth son of John II Komnenos and Piroska of Hungary, so it seemed very unlikely that he would succeed his father.His maternal grandfather was St. Ladislaus.Having distinguished himself in his father's war against the Seljuk Turks, in 1143 Manuel was chosen as his successor by John, in preference to his elder surviving brother Isaac. In 1057, Michael VI Bringas was proclaimed Byzantine emperor. Manuel I Komnenos (1143–1180) ... Bosnia, and Croatia, while gaining considerable influence in Hungary itself. [3] His maternal grandfather was St. Ladislaus . He was also involved in … [3] His maternal grandfather was St. Ladislaus . Komnenos (Greek: Κομνηνός; Latinized Comnenus; plural Komnenoi or Comneni (Κομνηνοί, )) is a noble family who ruled the Byzantine Empire from 1081 to 1185, and later, as the Grand Komnenoi (Μεγαλοκομνηνοί, Megalokomnenoi) founded and ruled the Empire of Trebizond (1204–1461). Isaac was raised in the court of Basil II, and became an important official in the imperial court after completing his education. He married Bertha von Sulzbach (c1115-1159) 1146. Manuel Komnenos was the fourth son of John II Komnenos and Piroska of Hungary, so it seemed very unlikely that he would succeed his father. from 1143 1180. In the East Manuel extended Byzantium's boundaries by annexing much of Cilicia, buying the County of Edessa, and forcing the submission of Antioch. Ancestors are from Hungary, France, Belgium, Germany, … Emperor (q.v.) His maternal grandfather was St. Ladislaus.Having distinguished himself in his father's war against the Seljuk Turks, in 1143 Manuel was chosen as his successor by John, in preference to his elder surviving brother Isaac. He was hailed for his charisma and military victories but also criticized for … Manuel I Komnenos was emperor of the Byzantine Empire from 1143 to 1180 CE. and Maria ofAntioch), awarded civil and military posts to Latins, and even participated in knightly tournaments He married Maria of Antioch (1145-1182) 1161. Notable ancestors include Charlemagne (747-814). Manuel was a great admirer of the West. Manuel Komnenos has been a controversial figure, even in his own time. Born on 28 November 1118, Manuel Komnenos was the fourth son of John II Komnenos and Irene of Hungary, so it seemed very unlikely that he would succeed his father. He married two western princesses (Bertha of Sulzbach [q.v.] His maternal grandfather was St. Ladislaus.Manuel favourably impressed his father by his courage and fortitude during the unsuccessful Siege of Neocaesarea (1140), against the Danishmendid Turks. Manuel I Komnenos, Byzantine Emperor, was born 28 November 1118 to Ioannes II Komnenos (1087-1143) and Piroska of Hungary (c1080-1134) and died 24 September 1180 of unspecified causes.