Duke Alexander was the father of His Serene HighnessPrince Francis of Teck and the grandfather to the Adolphus Cambridge, 1st Marquess of Cambridge. This was a peerage title in the former Kingdom of Württemberg. HSH is an acronym for His Serene Highness or Her Serene Highness. ... His Highness Prince Francis, Duke of Teck (Francis Paul Charles Louis Alexander) (August 28, 1837 - January 21, 1900)), was a member of the British Royal Family, the father of Queen Mary. ... Adolphus Cambridge, 1st Marquess of Cambridge(Adolphus Charles Alexander Albert Edward George Philip Louis Landislaus), neè His Serene Highness Prince Adolphus of Teck and later His Highness The Duke of Teck (13 August 1868-23 October 1927), was a member of the British Royal Family and a younger brother of...