Note 589 — Chapter VIII · THE EARLY YEARS OF WILLIAM THE CONQUEROR.[497] A.D. 1028–1051.
Reading edition
Amicia, daughter of Robert, third Earl of Leicester, married Simon the Third, Lord of Montfort. She was the mother of Simon the leader of the Crusade against the Albigenses, and the grandmother of our own Simon the Righteous. See Pauli, Simon von Montfort, 19, 20.