James Hamilton, Viscount Hamilton British politician (1786–1814) Parents Catherine Copley John Hamilton, 1st Marquess of Abercorn Children Lord Claud Hamilton Lady Harriet Hamilton James Hamilton, 1st Duke of Abercorn Siblings Catherine Hamilton Lady Harriet Hamilton Katherine Constantia Hamilton Lord Claud Hamilton Lady Maria Hamilton Arthur FitzJames Cecil Frances Hamilton Partners Harriet Hamilton Gordon, Countess of Aberdeen