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
Prince John of the United Kingdom of George Frederick, Prince of Wales and Mary, Princess of Wales ("née" Mary of Teck). He was named "John" despite that name's unlucky associations for the royal family, but was informally known as "Johnnie". At the time of his birth, he was sixth in the line of succession to the throne, behind his father and four older brothers. As a grandchild of the reigning British monarch in the male line, and a son of the Prince of Wales, he was formally styled "His Royal Highness Prince John of Wales" from birth. John was christened on 3 August in the Church