Duke of Teck
In 1893, Francis' daughter, Princess Victoria Mary of Teck, married Prince George, Duke of York, who later reigned as King George V. When the first Duke of Teck died in 1900, the dukedom passed to his eldest son, HSH Prince Adolphus of Teck. King George V granted the second Duke of Teck, his brother-in-law, the personal style of "His Highness" in 1911.