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