Welf I (died about 9 November 1101, Paphos) was duke of Bavaria from 1070 to 1077 and from 1096 to his death. He was the first member of the Welf branch of the House of Este. In the Welf genealogy he is counted as Welf IV. November 9 is the 313th day of the year (314th in leap years) in the Gregorian Calendar, with 52 days remaining. ... Events A second wave of crusaders arrives in the newly established Kingdom of Jerusalem, after being heavily defeated by Kilij Arslan I at Heraclia. ... Pafos, usually written Paphos in english, (Greek: Πάφος, Páfos; Turkish: Baf) is a coastal town in the south-west of Cyprus. ... With an area of 70,553 km² (27,241 square miles) and 12. ... Events Hereward the Wake begins a Saxon revolt in the Fens of eastern England. ... Events Henry IV, Holy Roman Emperor begs Pope Gregory VII to remove sentence of excommunication Robert Curthose instigates his first insurrection against his father, William the Conqueror Seljuk Turks capture Nicaea Süleyman I of Rüm becomes the leader of the Sultanate of Rüm in modern Turkey Anush... Events Bernhard becomes Bishop of Brandenburg First documented teaching at the University of Oxford Beginning of the Peoples Crusade, the German Crusade, and the First Crusade Vital I Michele is Doge of Venice Peter I, King of Aragon, conquers Huesca Phayao, now a province of Thailand, is founded as... The Welfs were a Frankish dynasty so named because many of its members were named Welf. ...

Welf was the son of Azzo II of Este and his wife Chuniza of Altdorf. When Welf's maternal uncle, Welf, Duke of Carinthia (also known as Welf III), died childless, Welf inherited his property.

Welf married Ethelinde, daughter of Otto II, Duke of Bavaria. When Duke Otto had become an enemy of King Henry IV, Welf divorced Ethelinde, and soon thereafter (in 1070) was appointed duke of Bavaria in Otto's stead. During the Investiture Controversy, Welf sided with Pope Gregory VII, and in March 1077 supported the election of Rudolf of Rheinfelden as anti-king. In May 1077, he was banned by the king. HEINRIC·IMP, Emperor Henry Henry IV (November 11, 1050 – August 7, 1106) was King of Germany from 1056 and Emperor from 1084, until his abdication in 1105. ... Events Hereward the Wake begins a Saxon revolt in the Fens of eastern England. ... The Investiture Controversy was the most significant conflict between secular and religious powers in medieval Europe. ... Gregory VII, né Hildebrand (ca. ... Events Henry IV, Holy Roman Emperor begs Pope Gregory VII to remove sentence of excommunication Robert Curthose instigates his first insurrection against his father, William the Conqueror Seljuk Turks capture Nicaea Süleyman I of Rüm becomes the leader of the Sultanate of Rüm in modern Turkey Anush...

In 1089, Welf's son Welf married Matilda of Tuscany, thus strengthening relationships with the pope. After the younger Welf divorced Matilda in 1095, Welf made amends with King Henry IV and was reappointed as duke of Bavaria. Events Northumbria divided by the Normans into the counties of Northumberland, County Durham, Yorkshire, Westmorland and Lancashire August 11, powerful Britain Coronation of Rama Varma Kulasekhara in Kerala Synod of Melfi under Pope Urban II imposes slavery on the wives of priests Palmyra destroyed by earthquake Byzantine conquest of Crete... Welf II (1072 – 24 September 1120, Kaufering), or Welfhard, called Welf the Fat, was duke of Bavaria from 1101 until his death. ... Matilda of Tuscany from (1115) Matilda, countess of Tuscany (1046 – July 24, 1115), was the principal Italian supporter of Pope Gregory VII during the investiture controversy, and is one of the few medieval women to be remembered for her military accomplishments. ... Events The county of Portugal is established for the second time. ...

After the death of his father Azzo in 1097, Welf tried to acquire his father's property south of the Alps, but did not succeed against his younger half-brother Fulco. Events Edgar I deposes Donald III to become king of Scotland. ...

In 1099, Welf joined the Crusade of 1101. He died while returning from the crusade in Cyprus in 1101 and was buried in the Abbey of Weingarten. He was succeeded as duke of Bavaria by his son Welf. Events Siege of Jerusalem during the First Crusade: July 8 - 15,000 starving Christian soldiers march around Jerusalem as its Muslim defenders mock them. ... The Crusade of 1101 was a minor crusade, actually three separate movements, organized in 1100 and 1101 in the successful aftermath of the First Crusade. ... Events A second wave of crusaders arrives in the newly established Kingdom of Jerusalem, after being heavily defeated by Kilij Arslan I at Heraclia. ... Weingarten, Basilica of St. ...

Welf had the following children from his marriage with Judith of Flanders, daughter of Baldwin IV, Count of Flanders:

• Welf, born 1072
• Henry
• Kunizza, died 6 March 1120, married Frederick Rocho, Count of Dießen

Welf II (1072 – 24 September 1120, Kaufering), or Welfhard, called Welf the Fat, was duke of Bavaria from 1101 until his death. ... Events William I of England invades Scotland, and also receives the submission of Hereward the Wake. ... March 6 is the 65th day of the year in the Gregorian Calendar (66th in Leap years). ... Events Welcher of Malvern creates a system of measurement for the earth using degrees, minutes, and seconds of latitude and longitude. ...

The following is a list of rulers of Bavaria: Dukes of Bavaria, 889-1623 Liutpolding Dynasty Liutpold 889-907 Arnulf the Bad 907-937 Eberhard 937 Berthold 938-947 Liudolfing (Ottonian) Dynasty Henry I 947-955 Henry II the Quarrelsome 955-976 Otto I 976-982 Liutpolding Dynasty Henry III... Events Hereward the Wake begins a Saxon revolt in the Fens of eastern England. ... Events Henry IV, Holy Roman Emperor begs Pope Gregory VII to remove sentence of excommunication Robert Curthose instigates his first insurrection against his father, William the Conqueror Seljuk Turks capture Nicaea Süleyman I of Rüm becomes the leader of the Sultanate of Rüm in modern Turkey Anush... HEINRIC·IMP, Emperor Henry Henry IV (November 11, 1050 – August 7, 1106) was King of Germany from 1056 and Emperor from 1084, until his abdication in 1105. ... HEINRIC·IMP, Emperor Henry Henry IV (November 11, 1050 – August 7, 1106) was King of Germany from 1056 and Emperor from 1084, until his abdication in 1105. ... The following is a list of rulers of Bavaria: Dukes of Bavaria, 889-1623 Liutpolding Dynasty Liutpold 889-907 Arnulf the Bad 907-937 Eberhard 937 Berthold 938-947 Liudolfing (Ottonian) Dynasty Henry I 947-955 Henry II the Quarrelsome 955-976 Otto I 976-982 Liutpolding Dynasty Henry III... Events Bernhard becomes Bishop of Brandenburg First documented teaching at the University of Oxford Beginning of the Peoples Crusade, the German Crusade, and the First Crusade Vital I Michele is Doge of Venice Peter I, King of Aragon, conquers Huesca Phayao, now a province of Thailand, is founded as... Events A second wave of crusaders arrives in the newly established Kingdom of Jerusalem, after being heavily defeated by Kilij Arslan I at Heraclia. ... Welf II (1072 – 24 September 1120, Kaufering), or Welfhard, called Welf the Fat, was duke of Bavaria from 1101 until his death. ...

References

• Genealogie Mittelalter