William I of Provence

William I (c. 950 – after 29 August 993), called the Liberator, was Count of Provence from 968 to his abdication. In 975 or 979, he took the title of marchio or margrave. He is often considered the founder of the county of Provence. He and his elder brother Rotbold I were sons of Boso II of Arles and his wife Constance, who, based on her name, has been speculated to be daughter of Charles Constantine of Vienne. They both carried the title of comes or count concurrently, but it is unknown if they were joint-counts of the whole of Provence or if the region was divided. His brother never bore any other title than count so long as William lived, so the latter seems to have attained a certain supremacy.

In 980, he was installed as Count of Arles. His sobriquet comes from his victories against the Saracens by which he liberated Provence from their threat, which had been constant since the establishment of a base at Fraxinet. At the Battle of Tourtour in 973, with the assistance of the counts of the High Alps and the viscounts of Marseille and Fos, he definitively routed the Saracens, chasing them forever from Provence. He reorganised the region east of the Rhône, which he conquered from the Saracens and which had been given him as a gift from King Conrad of Burgundy. Also by royal consent, he and his descendants controlled the fisc in Provence. With Isarn, Bishop of Grenoble, he repopulated Dauphiné and settled an Italian count named Ugo Blavia near Fréjus in 970 in order to bring that land back to cultivation. For all this, he figures prominently in Ralph Glaber's chronicle with the title of dux and he appears in a charter of 992 as pater patriae.

He donated land to Cluny and retired to become a monk, dying at Avignon, where he was buried in the church of Saint-Croix at Sarrians. He was succeeded as margrave by his brother. His great principality began to diminish soon after his death as the castles of his vassals, which he had kept carefully under ducal control, soon became allods of their possessors.

He may also be the brother of Eremburge De Pont Audemer (born De Bricquebec Bertrand) who married Torf De Pont Audemer. Eremburge and Torf are the 18th great grandparents of Thomas Newberry the immigrant ancestor of the American family.[1] Thomas Newberry was the fourth great grandfather of Walter Loomis Newberry, the founder of the Newberry Library in Chicago, IL[2] Walter Loomis Newberry was the 4th great grandson of Joseph Loomis, the immigrant ancestor of the Loomis family in America.[3]

Marriage and issue

He married 1st Arsenda, daughter of Arnold of Comminges[4] and their son was:

He married 2nd (against papal advice) in 984, Adelaide-Blanche of Anjou, daughter of Fulk II of Anjou and Gerberga, and their daughter was:

See also


  1. Encyclopedia of Connecticut biography, genealogical-memorial; representative citizens by Samuel Hart, Published by the American Historical Society in 1917 - [23]https://archive.org/stream/encyclopediaofco02amer#page/156/mode/2up/search/Thomas+Newberry
  2. Descendants of Joseph Loomis in America and his antecedents in the old world, HeritageQuestonLine
  3. The Descendants of Joseph Loomis (1590-1658) in America, Elias Loomis, 1909, p. 121
  4. 1 2 3 Detlev Schwennicke, Europäische Stammtafeln: Stammtafeln zur Geschichte der Europäischen Staaten, Neue Folge, Band II (Marburg, Germany: Verlag von J. A. Stargardt, 1984), Tafel 187
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