Berthold IV (c. 1159 – 12 August 1204), a member of the House of Andechs, was Margrave of Istria and Carniola (as Berthold II). By about 1180/82 he assumed the title of Duke of Merania, referring to the Adriatic seacoast of Kvarner which his ancestors had conquered in the 1060s and annexed to Istria and Carniola.[1]
Young Berthold IV first appeared in 1170 and was mentioned as Count of Andechs in an 1172 deed. In 1175 he served as co-ruler in the March of Istria. After Emperor Frederick deposed Duke Henry the Lion in 1180, his mother's relative Otto of Wittelsbach received the Duchy of Bavaria, while Berthold received the Duchy of Merania.[3] The rule over the self-styled "Merania" actually encompassed the same area as the old Istrian margraviate, and did not constitute a separate administrative or political entity; however, its ruler gained prestige from his new ducal title, and the comital House of Andechs was elevated to Princes of the Holy Roman Empire.
In 1186, he accompanied Emperor Frederick's son Henry VI to Italy and his marriage with Constance of Sicily. In 1189, he led the third division of the imperial army and was its standard-bearer on the Third Crusade, in which he led the Crusaders with Frederick VI, Duke of Swabia in the Battle of Philomelion in 1190. In 1195, he appeared as Vogt (reeve) of Tegernsee Abbey in Bavaria. Berthold committed himself to join the Crusade of 1197, however, he did not participate until Henry's death in the same year. Though he had opposed the emperor's Erbreichsplan, he backed the claims of Henry's younger brother Philip of Swabia against the politics of Pope Innocent III who supported Philip's Welf rival Otto IV. At this juncture, the House of Andechs was at the height of its power and influence, with extended possessions stretching from Franconia down to the Adriatic.
Berthold died in 1204 and was buried at the Andechs private monastery in Dießen, Bavaria.
Marriage and issue
Berthold, Agnes and their family, Hedwig Codex, 1353
While passing through Serbia on the Third Crusade, Frederick Barbarossa met the Grand Prince Stefan Nemanja in Niš on 27 July 1189. There it was negotiated that a daughter of Berthold would marry Tohu, son of Prince Miroslav of Zahumlje on the feast of Saint George next (24 April 1190). This marriage does not seem to have taken place and the Historia de Expeditione Friderici Imperatoris does not name the daughter. Scholars are divided over whether it was one of Berthold's known daughters or else a fifth daughter not otherwise recorded.[5][6]
References
^Milko Kos, Zgodovina Slovencev: od naselitve do reformacije (Ljubljana, 1933), p. 142
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