House of Zähringen the death of Louis of Teck, Patriarch of Aquileia. This ducal title was later granted to Count Francis of Hohenstein (1837–1900), a morganatic son of Duke Alexander of Württemberg, in 1871. Francis' daughter Mary of Teck (1867–1953), as the wife of King George V, was Queen of the United Kingdom and the British Dominions, and Empress of India. House of Zähringen The House of Zähringen is an old German noble family from Swabia, which founded a large number of cities in the area that is today Switzerland and the German state of Baden-Württemberg. The name is derived from Zähringen castle
Duke of Teck German titles on behalf of himself and those of his family members domiciled in his realms, including the Tecks. The Duke of Teck thus renounced, in July 1917, his German titles of prince and duke in the Kingdom of Württemberg, as well as the styles of "Highness" and "Serene Highness". Adolphus, along with his brother, Prince Alexander of Teck, then assumed the name "Cambridge", which had been borne as his territorial designation by their maternal grandfather, Prince Adolphus, Duke of Cambridge. This "renunciation" had no legal effect whatsoever in the state where the title existed, Württemberg, or in Germany as