On 9 November 1876 he married
morganatically Baroness
Natalia Vogel von Friesenhof in
Vienna, daughter of Baron Gustav Vogel von Friesenhof (1807-1889) and his wife, Alexandrine
Goncharova (1811-1891). Her mother, being the sister
Natalia Goncharova, made her
Alexandre Pushkin's niece and cousin of
Natalia Alexandrovna Pushkina,
Countess of Merenberg (1836-1913), herself the morganatic wife of
Prince Nikolaus Wilhelm of Nassau. Upon marriage, she held the title Countess von Welsburg. The couple had two children: • Countess Alexandrine Gustava Friederike von Welsburg (11 October 1877,
Vienna - 13 April 1901,
Austria); died unmarried at the age of 23. • Count Gustav Gregor Alexander von Welsburg (29 August 1878,
Hungary - 29 November 1927,
Switzerland); married Countess Salbourg Luise von
Hahn (1885-1923), daughter of Friedrich Franz, Count von Hahn (1859-1916) and his wife, Countess Therese
Henckel von Donnersmarck (1859-1928). They had three sons and one daughter. In their former castle in
Brodzany (Slovakia) is the now Pushkin's museum. == Honours ==