Welf I, Duke of Bavaria
Encyclopedia
Welf I was duke of Bavaria
Bavaria
Bavaria, formally the Free State of Bavaria is a state of Germany, located in the southeast of Germany. With an area of , it is the largest state by area, forming almost 20% of the total land area of Germany...

 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.

Life and reign

Welf was the son of Azzo II of Este
Albert Azzo II, Margrave of Milan
Alberto Azzo II , Margrave of Milan, and Liguria, Count of Gavello and Padua, Rovigo, Lunigiana, Monselice, and Montagnana, aka, Albertezzo II, was a powerful nobleman in the Holy Roman Empire...

 and his wife Chuniza of Altdorf. When Welf's maternal uncle, Welf, Duke of Carinthia
Welf, Duke of Carinthia
Welf III , as he is numbered in the genealogy of the Swabian line of the Elder House of Welf, was the duke of Carinthia and margrave of Verona from 1047. He was the only son of Welf II, Count of Altdorf, and Imiza....

 (also known as Welf III), died childless, Welf inherited his property. Welf married Ethelinde, daughter of Otto II, Duke of Bavaria
Otto of Nordheim
Otto of Northeim was Duke of Bavaria from 1061 until 1070. He was one of the leaders of the Saxon revolt against Emperor Henry IV....

.

Although the Marquis of Este, guided by his cousin Matilda, continued firm in the Pope's interests, his son Welf, who had succeeded to the Bavarian states, and whose views were more immediately directed to Germany, supported the emperor. For his fidelity he was rewarded with the duchy of Bavaria, which had been forfeited by Otto
Otto of Nordheim
Otto of Northeim was Duke of Bavaria from 1061 until 1070. He was one of the leaders of the Saxon revolt against Emperor Henry IV....

, his father-in-law. When Duke Otto had become an enemy of King Henry IV
Henry IV, Holy Roman Emperor
Henry IV was King of the Romans from 1056 and Holy Roman Emperor from 1084 until his forced abdication in 1105. He was the third emperor of the Salian dynasty and one of the most powerful and important figures of the 11th century...

, Welf divorced Ethelinde, and soon thereafter (in 1070) was appointed duke of Bavaria in Otto's stead. This event took place at Goslar
Goslar
Goslar is a historic town in Lower Saxony, Germany. It is the administrative centre of the district of Goslar and located on the northwestern slopes of the Harz mountain range. The Old Town of Goslar and the Mines of Rammelsberg are UNESCO World Heritage Sites.-Geography:Goslar is situated at the...

 in 1070, when the states of Bavaria submitted quietly to the new made duke, who was the representative of one of the most ancient families in the province; and although, in compliance with the commands of the emperor, he afterwards repudiated his duchess, the daughter of Otho, we do toot find that his influence was at all affected by such an act, which savored somewhat of injustice.

During the Investiture Controversy
Investiture Controversy
The Investiture Controversy or Investiture Contest was the most significant conflict between Church and state in medieval Europe. In the 11th and 12th centuries, a series of Popes challenged the authority of European monarchies over control of appointments, or investitures, of church officials such...

, Welf sided with Pope Gregory VII
Pope Gregory VII
Pope St. Gregory VII , born Hildebrand of Sovana , was Pope from April 22, 1073, until his death. One of the great reforming popes, he is perhaps best known for the part he played in the Investiture Controversy, his dispute with Henry IV, Holy Roman Emperor affirming the primacy of the papal...

, and in March 1077 supported the election of Rudolf of Rheinfelden as anti-king. They were reconciled in 1076, but the following year saw them again engaged in active hostilities. Henry, in consequence of these repeated acts of rebellion, deprived him of his newly-acquired sovereignty; but, supported by his faithful Bavarians, and aided by his father in Italy
Italy
Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

, he was able to maintain his place, and to set the ban of the empire at defiance in May 1077.

Welf joined the discontented princes who supported the standard of Rudolph, when all were put without the pale of the church who refused to obey the mandate of that Pope; and in that age of ignorance and superstition, many were obliged to comply with a Pope's mandate, who otherwise would have supported the sovereign of their own choice. Fortunately for the peace of Germany, Gregory died in 1085, and Welf, though he still adhered to the party of the church, began to relax in his exertions to maintain the usurper. In 1089, Welf's son Welf
Welf II, Duke of Bavaria
Welf II , or Welfhard, called Welf the Fat, was duke of Bavaria from 1101 until his death. In the Welf genealogy, he is counted as Welf V.-Life and reign:...

 married Matilda of Tuscany
Matilda of Tuscany
Matilda of Tuscany was an Italian noblewoman, the principal Italian supporter of Pope Gregory VII during the Investiture Controversy. She is one of the few medieval women to be remembered for her military accomplishments...

, 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.

On the divorce of his first wife, Welf married Judith of Flanders
Judith of Flanders, Countess of Northumbria
Judith of Flanders, Countess of Northumbria, and later Duchess of Bavaria was the wife firstly of Tostig Godwinson, Earl of Northumbria, and secondly of Welf I, Duke of Bavaria...

, daughter of Baldwin IV, Count of Flanders
Baldwin IV, Count of Flanders
Baldwin IV of Flanders , known as the Bearded, was Count of Flanders from 988 until his death. He was the son of Arnulf II, Count of Flanders...

, and the widow of Tostig Godwinson
Tostig Godwinson
Tostig Godwinson was an Anglo-Saxon Earl of Northumbria and brother of King Harold Godwinson, the last crowned english King of England.-Early life:...

, Earl of Northumbria
Earl of Northumbria
Earl of Northumbria was a title in the Anglo-Danish, late Anglo-Saxon, and early Anglo-Norman period in England. The earldom of Northumbria was the successor of the ealdormanry of Bamburgh, itself the successor of an independent Bernicia. Under the Norse kingdom of York, there were earls of...

.

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.

In 1099, Welf joined the Crusade of 1101
Crusade of 1101
The Crusade of 1101 was a minor crusade of three separate movements, organized in 1100 and 1101 in the successful aftermath of the First Crusade. It is also called the Crusade of the Faint-Hearted due to the number of participants who joined this crusade after having turned back from the First...

. He died while returning from the crusade in Cyprus
Cyprus
Cyprus , officially the Republic of Cyprus , is a Eurasian island country, member of the European Union, in the Eastern Mediterranean, east of Greece, south of Turkey, west of Syria and north of Egypt. It is the third largest island in the Mediterranean Sea.The earliest known human activity on the...

 in 1101 and was buried in Weingarten Abbey
Weingarten Abbey
Weingarten Abbey or St. Martin's Abbey is a Benedictine monastery on the Martinsberg in Weingarten near Ravensburg in Baden-Württemberg .-First foundation:...

. He was succeeded as duke of Bavaria by his son Welf.

Children

Welf had the following children from his marriage with Judith of Flanders
Judith of Flanders, Countess of Northumbria
Judith of Flanders, Countess of Northumbria, and later Duchess of Bavaria was the wife firstly of Tostig Godwinson, Earl of Northumbria, and secondly of Welf I, Duke of Bavaria...

, daughter of Baldwin IV, Count of Flanders
Baldwin IV, Count of Flanders
Baldwin IV of Flanders , known as the Bearded, was Count of Flanders from 988 until his death. He was the son of Arnulf II, Count of Flanders...

:
  • Welf
    Welf II, Duke of Bavaria
    Welf II , or Welfhard, called Welf the Fat, was duke of Bavaria from 1101 until his death. In the Welf genealogy, he is counted as Welf V.-Life and reign:...

    , born 1072
  • Henry
    Henry IX, Duke of Bavaria
    Henry IX , called the Black, a member of the House of Welf, was duke of Bavaria from 1120 to 1126.-Life and reign:...

     (d. 13 December 1126)
  • Kunizza, died 6 March 1120, married Frederick Rocho, Count of Dießen
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