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William V of Montferrat (occ./piem. ''Guilhem'', it. ''Guglielmo'') (c. 1115 – 1191), also known as William the Old to distinguish him from his eldest son, William Longsword, was marquess of Montferrat from c. 1136 to his death in 1191. William was the only son of marquess Renier I and his wife Gisela, a daughter of William I, Count of Burgundy and widow of Count Humbert II of Savoy. It seems likely, given that he was still fit enough to participate in battle in 1187, that William was one of his parents' youngest children. He was described by Acerbo Morena as of medium height and compact build, with a round, somewhat ruddy face and hair so fair as to be almost white. He was eloquent, intelligent and good-humoured, generous but not extravagant. Dynastically, he was extremely well-connected: a nephew of Pope Callixtus II, a half-brother of Amadeus III of Savoy, a brother-in-law of Louis VI of France (through his half-sister Adelasia of Moriana), and cousin of Alfonso VII of Castile. == Dynastic marriage == William married Judith or Ita von Babenberg, daughter of Leopold III of Austria and Agnes of Germany, sometime before March 28, 1133. Judith was probably about 15 at the time. None of their surviving children seem to have been born before 1140 (there may have been older ones who died in infancy), and the youngest son was born in 1162. She died after 1168. They had five sons, four of whom became prominent in the affairs of the Kingdom of Jerusalem and of Byzantium: *William Longsword, Count of Jaffa and Ascalon, father of Baldwin V of Jerusalem *Conrad, King of Jerusalem *Boniface, his successor to Montferrat and founder of the Kingdom of Thessalonica *Frederick, who entered the Church and became Bishop of Alba (dates uncertain). *Renier, married into the Byzantine imperial family and three daughters: *Agnes, who married Count Guido Guerra III Guidi conte di Modigliana〔Mario Marrocchi, ''Guidi, Guido (Guido Guerra III)'', in ''Dizionario Biografico degli Italiani'', 61(2004).〕 The marriage was annulled on grounds of childlessness before 1180, when Guido remarried, and Agnes entered the convent of Santa Maria di Rocca delle Donne. *Adelasia or Azalaïs (d. 1232), who married Manfred II, marquess of Saluzzo, c. 1182, and was regent for her grandson Manfred III. *An unidentified daughter, who married Albert, marquess of Malaspina. The ''vida'' of the troubadour Raimbaut de Vaqueiras claims that there was another daughter, Beatrice, who m. Henry I del Carretto, marquess of Savona, and that she is the ''Bel Cavalher'' (''Fair Knight'') of Vaqueiras's songs. However, the lyrics of Vaqueiras's songs (as opposed to the later ''vida'') describe Beatrice as Boniface's daughter, and thus William's granddaughter. Otto (Oddone of Montferrat, d. 1251), who became Bishop of Porto, and Cardinal in 1227, has sometimes been identified as a son of William V, and confused with Frederick. However, his dates make it more likely that he was a son of William VI of Montferrat, whether legitimate or not is uncertain. William and Judith's powerful dynastic connections created difficulties in finding suitable wives for his sons, however: too many potential spouses were related within prohibited degrees. In 1167, he unsuccessfully tried to negotiate marriages for his eldest sons to daughters of Henry II of England - but the girls were very young at the time and were related through Judith's descent from William V of Aquitaine. He then applied for sisters of William I of Scotland, who were not related, but were already married. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「William V, Marquess of Montferrat」の詳細全文を読む スポンサード リンク
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