Louisa Montagu Douglas Scott, Duchess of Buccleuch

Louisa Jane Hamilton, Duchess of Buccleuch and Queensberry VA was the daughter of James Hamilton, 1st Duke of Abercorn. In 1884, she became the Duchess of Buccleuch and Duchess of Queensberry, the wife of William Henry Walter Montagu Douglas Scott, 6th Duke of Buccleuch amp 8th Duke of Queensberry. She was the paternal grandmother of Princess Alice, Duchess of Gloucester and of Lady Marian Louisa Montagu Douglas Scott, also she was the maternal greatgrandmother of Prince William of Gloucester, Prince Richard, Duke of Gloucester and greatgreatgrandmother of Sarah, Duchess of York.

Louisa Jane Hamilton was born on FridayAugust 1836 in Brighton, Sussex, England, the third child of fourteen born to James Hamilton, 1st Duke of Abercorn and Louisa Jane Russell, daughter of John Russell, 6th Duke of Bedford.

Source: Wikipedia