Lady Margaret de Burgh daughter of John Smith de Burgh, 11th Earl of Clanricarde, and Hester Vincent Parents Hester Vincent John Smith de Burgh, 11th Earl of Clanricarde Children Henry Luke Dillon Siblings Henry de Burgh, 1st Marquess of Clanricarde Lady Hester de Burgh John de Burgh, 13th Earl of Clanricarde Partners Luke Dillon