Harriet de Burgh, Marchioness of Clanricarde British noble (1804–1876) Parents Joan Canning, 1st Viscountess Canning George Canning Children Ulick de Burgh, Lord Dunkellin Lady Margaret Anne de Burgh Lady Catherine de Burgh Emily Charlotte de Burgh, Countess of Cork Lady Harriet de Burgh Hubert de Burgh-Canning, 2nd Marquess of Clanricarde Elizabeth de Burgh Siblings William Pitt Canning Charles Canning, 1st Earl Canning George Charles Canning Partners Ulick de Burgh, 1st Marquess of Clanricarde