sentences:  The name "Chaumont" derives from the French "chauve mont", meaning "bald hill".The first castle on this site, situated between Blois and Amboise, was built by Odo I, Count of Blois, in the 10th century, with the purpose of protecting his lands from attacks from his feudal rivals, Fulk Nerra, Count of Anjou.On his behalf the Norman Gelduin received it, improved it and held it as his own.