Boniface III, Margrave of Tuscany (c. 985 – May 6, 1052), father of Matilda of Canossa and the most powerful north Italian prince of his age
Tuscany | William III of England | George III of the United Kingdom | Henry III of England | George III | Edward III of England | Henry III | Edward III | Charles III of Spain | William III | Loudon Wainwright III | WTA Tier III tournaments | Richard III of England | Benigno Aquino III | Pope Alexander III | Star Wars Episode III: Revenge of the Sith | Saint Boniface | Henry III of France | Gustav III of Sweden | Shalmaneser III | Alexander III of Russia | Albatros D.III | Margrave | Frederick III | Rainier III, Prince of Monaco | Otto III | Frederick William III of Prussia | Victor Emmanuel III of Italy | III | Frederick III, German Emperor |
He brought Western monasticism to the island by requesting monks from Abbot Desiderius of Montecassino and in this he was supported by both Pope Alexander II and Godfrey the Bearded, Margrave of Tuscany, though the archdiocese of Pisa, thitherto chief religious influence on the island, opposed it.
Until the 1803 secularisation of Bavaria, Steingaden belonged to the Steingaden Abbey, established in 1147 by Welf VI, Margrave of Tuscany and Duke of Spoleto, and third son of Henry IX, Duke of Bavaria.