Re Lady Victoria Contance Mary Somerset(nee Princess Mary of Teck) Mary was first married to Charles Edward Hastings. Issue William Edward Hastings Cambridge. 09.03.1914 - 09.06.05. Then married Sir Henry Hugh Somerset, 10th Duke of Beaufort M 14.06. 1923. Issue 1 daughter Mary Somerset.
On the death of George Francis Hugh Cambridge 1981 the 2nd Marquess of Cambridge. My father became the 3rd Marquess, on his death I had become the 2nd Marchioness of Cambridge. Colleen Iris Mary Hastings Cambridge.

Mary was the the 2nd Issue of Margaret Evelyn (nee Grosvenor) and Prince Adolphus of Cambridge.
Adolphus Frederick, Duke of Cambridge 7th Son of King George 3rd. Issue George William Frederick. 1819-1904
George William was the true inheritor of the then thorne of Scotland and England. Queen Victoria should not had been crowned Queen. The now royals are not the true inheritors to the now throne.
Princess Mary Adelaide of Cambridge M. Francis Paul, Duke of Teck. Issue Princess Victoria Mary of Teck. Prince Adolphus of Teck Prince Francis of teck Prince Alexander of teck.
Adolphus Issue 4. George, Mary, Helena, Frederick.
My father William Edward Issue2. 1 daughter 1 son that @ 10yrs. I hope this helps you re your query.

Regards.
Colleen Iris Hastings Cambridge