Agnes de Poitou was from the noble house of the de Poitou. She was born in 1020 to Comte, Duc Guillaume III de Poitou de Aquitaine and his wife Agnes de Bourgogne.
... out of which 33.8% have children under the age of 18 living with them, 55.2% are married couples living together, 9.2% have a female householder with no husband present, ...