Walter de Lacy, Lord of Meath Irish noble (1172–1241) Parents Rohese of Monmouth Hugh de Lacy, Lord of Meath Children Egidia de Lacy, Lady of Connacht Gilbert de Lacy of Ewyas Harold Pernel de Lacy Siblings Hugh de Lacy, 1st Earl of Ulster NN de Lacy Partners Margaret de Braose, Lady of Trim