Odon (river)
The Odon is a river in the Calvados department, in Normandy, northwestern France. It is 47 km long and is a left tributary of the Orne. The river passes through Jurques, Aunay-sur-Odon, Baron-sur-Odon, Bretteville-sur-Odon, Épinay-sur-Odon, Grainville-sur-Odon, Parfouru-sur-Odon, Tournay-sur-Odon and Tourville-sur-Odon. It flows into the Orne in Caen.
Odon of Poznań
Since Odon's son Władysław was too young to reign, Odon bestowed the regency of his duchy in the south of Greater Poland upon his half-brother, Władysław III Spindleshanks, while Miesko III reclaimed the Duchy of Kalisz.