Egidia de Lacy, Lady of Connacht Medieval Irish noblewomen (1205–1201) Parents Walter de Lacy, Lord of Meath Margaret de Braose, Lady of Trim Children Matilda de Burgh William Óg de Burgh Walter de Burgh, 1st Earl of Ulster Margery de Burgh Siblings Gilbert de Lacy of Ewyas Harold Pernel de Lacy Partners Richard Mór de Burgh, 1st Baron of Connaught