From the middle of the ninth century these counts were Bretons with close ties to the Duchy of Brittany, which they often vied to rule.
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1082–1084 Hoel I (in opposition to Geoffrey II from 1066), also Duke from 1066
Count | Rennes | Count Basie | count | Count Dracula | The Count of Monte Cristo | Imperial Count | Count of Flanders | Count of Barcelona | Count Basie Orchestra | 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 | University of Rennes | Simon VI, Count of Lippe | Ramon Berenguer II, Count of Barcelona | Ramon Berenguer I, Count of Barcelona | PSA Rennes Plant | Prince Gaston, Count of Eu | Peter II, Count of Savoy | Juan Vicente de Güemes, 2nd Count of Revillagigedo | Gustav Horn, Count of Pori |
Hoel II- Count of Nantes, Count of Rennes, and eventually Duke of Brittany
On 1 August 939, with the aid of Judicael (Berengar), count of Rennes, and Hugh I, count of Maine, his victory was made complete by defeating the Norse at Trans.