Example image of eyePlorer eyePlorer map for 'Marches of Neustria': Carolingian dynasty Merovingian dynasty Neustria West Francia 861 Breton people Charles the Bald Norsemen Margrave Warden Counts and Dukes of Maine Le Mans 778 Battle of Roncevaux Pass Roland The Song of Roland Robert the Strong 866 Hugh the Abbot Adalard the Seneschal Viking Rorgonids 885 Nobility Charles the Fat Henry of Franconia 886 Berengar II of Neustria Odo of France 911 Robert I of France Charles the Simple Duchy of Normandy Rollo Rouen Treaty of Saint Clair-sur-Epte Normans 987 Christian Settipani Gauzfrid of Maine Guy of Nantes Lambert I of Nantes Lambert II of Nantes Ragenold of Neustria Berengar I of Neustria Udo of Neustria Ricwin of Nantes 843 County of Nantes Gallo language