The details of the relations between Sigifred's sons Sigifred II and Adalbert Atto are unknown and the latter appears in Canossa in time to give refuge to Queen Adelaide when she was fleeing Berengar II and Willa in 955.
Count | Count Basie | count | Count Dracula | The Count of Monte Cristo | Canossa | Imperial Count | Count of Flanders | Count of Barcelona | Count Basie Orchestra | Walk to Canossa | Gaspar de Guzmán, Count-Duke of Olivares | Count of Soissons | You Can Count on Me | Jean-Frédéric Phélypeaux, Count of Maurepas | Count Palatine | Count palatine | Count of Paris | John II, Count of Rietberg | Count of Nevers | count of Blois | William I, Count of Nassau-Dillenburg | Tedald of Canossa | Simon VI, Count of Lippe | Ramon Berenguer II, Count of Barcelona | Ramon Berenguer I, Count of Barcelona | Prince Gaston, Count of Eu | Peter II, Count of Savoy | Juan Vicente de Güemes, 2nd Count of Revillagigedo | Gustav Horn, Count of Pori |
The abbey was founded in 1007 by Tedald, count of Canossa, the paternal grandfather of Matilda of Canossa, countess of Tuscany, with a grant to the Benedictine monks, of half his land lying between the rivers Po and Lirone, prompting the title "in Polirone".