A writ dated 6 Apr "47 Hen III", after the death of "Hamo de Creuequer…and Maud de Avereng…sometime his wife", names their heirs and records that Hamon married "Maud sister and heiress of William de Averenches" by whom he had four daughters "Agnes married to John de Sandwyco, Isolda who was married to Nicholas de Lenham and had one son name John now aged 12, Ellen alias Eleanor married to Bartholomew de Kyrieul alias Bertram de Criel, and Isabel married to Henry de Gaunt", adding that "the said Agnes, John, Ellen and Isabel are heirs of the said Maud"

Inquisitions Post Mortem, Vol. I, Henry III, 563, p. 171 (курсивный текст)