Margaret Domville noblewoman; Irish aristocrat, daughter of 3rd Earl of Howth & wife of Sir Charles Compton Domville (1840–1929) Parents Thomas St Lawrence, 3rd Earl of Howth Lady Emily de Burgh Children Siblings Lady Geraldine St. Lawrence Lady Catherine St Lawrence William St Lawrence, 4th Earl of Howth Lady Mary St. Lawrence Lady Henrietta St Lawrence Thomas St Lawrence Lady Emily St. Lawrence Partners Sir Charles Compton William Domvile, 2nd Baronet