Margaret de Lacy (1228-1256) (1228–1256) Parents Isabel Bigod Gilbert de Lacy of Ewyas Harold Children Theobald de Verdon Siblings Maud de Lacy, Baroness Geneville Aveline fitz John Joan fitz John Maud FitzJohn, Countess of Warwick Richard fitz John, 1st and last Lord FitzJohn Isabel fitz John Walter de Lacy Sir John fitz John Partners John de Verdon