Margaret Innes-Ker, Duchess of Roxburghe

Margaret Elizabeth McConnel was the daughter of Frederick Bradshaw McConnel, the second wife of George Victor Robert John Innes-Ker, 9th Duke of Roxburghe, and the mother of Guy David Innes-Ker, 10th Duke of Roxburghe, and Lord Robert Anthony Innes-Ker. She was previously married to Lt.-Col. James Church.

...
Wikipedia