Louisa Hamilton, Duchess of Abercorn

Lady Louisa Jane Russell, VA was the wife of James Hamilton, 1st Duke of Abercorn, and the daughter of John Russell, 6th Duke of Bedford, by his second wife, Lady Georgiana Gordon. She was the mother of Louisa Montagu Douglas Scott, Duchess of Buccleuch, and therefore the paternal great grandmother of Princess Alice, Duchess of Gloucester, and the maternal 2nd greatgrandmother of Prince William of Gloucester and Prince Richard, Duke of Gloucester. She was also the mother of James Hamilton, 2nd Duke of Abercorn, and therefore the paternal greatgrandmother of Cynthia Spencer, Countess Spencer, and the paternal 3rd greatgrandmother of Diana, Princess of Wales, and the maternal 4th greatgrandmother of Prince William, Duke of Cambridge, and Prince Harry. Through her daughter Lady Louisa Hamilton she also is the maternal 3rd greatgrandmother of Sarah, Duchess of York.

Lady Louisa Jane Russell was born on Wednesday,July 1812. She was the sixth child of eight, and a second daughter for John Russell, 6th Duke of Bedford and Lady Georgiana Gordon.

Source: Wikipedia