Agatha
| Father | William I The Conqueror, King of England |
| Mother | Matilda of Flanders |
| Birth* | Agatha was born in 1064. |
| She was the daughter of William I The Conqueror, King of England and Matilda of Flanders. | |
| Death* | Agatha died before 1080 at Bayeux, Normandie, France. |
| Burial* | She was buried before 1080 at Bayeux, Normandie, France. |