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.
... 21.7% under the age of 18, 5.1% from 18 to 24, 32.6% from 25 to 44, 31.2% from 45 to 64, and 9.4% who are 65 years of age or older. The median age is 42 years. For every ...