Welf I, Duke of Bavaria
Welf IV (c. 1030/1040; † November 9, 1101 in Paphos in Cyprus ) from the House of Guelph was as Welf I Duke of Bavaria from 1070 to 1077 and from 1096 to 1101.
Life
Welf IV was a son of the Italian Marquis Alberto Azzo II d' Este (1009-1097) and Kunigunde of Carinthia, the sister of the Duke Welf III. of Carinthia († 31 March preceding 1055 ). This was Welf IV, though in the female line, the only heir of the Welf possessions in Swabia, Bavaria and Raetia. His grandmother Imiza ( † after 1055 ), the widow of Welf II († 1030), let bring him to Germany to take up the legacy that her childless son of Welf III. had been bequeathed to the monastery Altdorf.
He married Ethelinde of Northeim, daughter of Otto II of Northeim, Duke of Bavaria. His father was outlawed in 1070, after which Welf his wife - the marriage was also childless - violated. Christmas of the same year Welf was entrusted by King Henry IV with the successor of Otto of Bavaria. 1070/71 he entered into a second marriage with the widowed Judith of Flanders.
In the Investiture Controversy Welf was on the papal side, in March 1077 supported the election of Rudolf of Rheinfelden against Henry, was outlawed in May and fled to Hungary; reigned in his estates and offices henceforth the king himself
To mediated Pope Urban II in 1089, the marriage of 17- year-old son of Welf Welf V with the 27-year old Matilda of Tuscany, the mistress of Canossa. The separation of this compound in the summer of 1095 prepared Welf change on the Imperial side and a year later ( 1096 ) may occur reconciliation with the Emperor, with the return of Bavaria was connected to Welf. Welf IV took part in the crusade of 1101, and died on the return journey from Jerusalem to Cyprus. He was buried in the abbey vineyard.
Progeny
From the second marriage produced three children:
- Welf V. (* 1072/73; † September 24, 1120 at Castle Buy ring ), after the death of his father on the Crusade in 1101 as II Welf Duke of Bavaria ∞ to 1089, separated in 1095, Matilda (c. 1046 † 1115 ) lady of Canossa, Duchess of Tuscany, etc., daughter of Boniface of Canossa, Duke of Spoleto
- Henry IX. the Black (* 1074/75; † December 13, 1126 in Ravensburg ), 1120 Duke of Bavaria, ∞ Wulfhild of Saxony ( † December 29, 1126 in Altdorf ), daughter of Duke Magnus of Saxony ( Bill Unger)
- Kunizza († March 6, 1120 ) ∞ Friedrich Rocho († November 12 ... ), 1086 witnessed probably Count of Unterdießen