Γλώσσα πηγής: Αγγλικά
In his early years as Duke, he founded the beautiful church of St Stephen in Caen. After the conquest of England, he gave money to build an abbey on the site of the battle of Hastings. He told the buildiers to put the main altar in the exact spot where King Harold had been killed. Every day, the monks had to pray that God would forgive William for the sins of the battle. he even ordered his soldiers to do a years's penance for the people they had killed