A manuscript history of the Lacy family names “Aliciam Vere uxorem Willielmi Mandevill” as the wife of “Johannes constabularium Cestriæ”, son of “Richardus constabularius Cestriæ”. Her parentage is clarified by the Rotuli de Dominabus of 1185 which records property “Arenho” held by her mother “Alicia de Essex…amita comitis Willelmi et soror comitis Albrici”, adding that she has “ii filios milites et i filiam maritatam Johanni Constabulario Cestrie”. It is assumed that the reference to “Willielmi Mandevill” is somehow truncated and that he was not Alice’s first husband: he would in fact have been Alice’s first cousin, son of her maternal aunt. The source, however, only confirms the name of Alice’s mother. According to Domesday Descendants, Alice was the daughter of Adelisa de Vere by her second husband, Roger FitzRichard Lord of Warkworth. The primary source on which this statement is based has not been identified.... 1