The couple settled in Graz , Austria .
The couple had two children , Assen Ludwig Alexander ( 1890 -- 1965 ) and Marie Therese Vera Zvetana ( 1893 -- 1935 ) .
The couple settled in Graz , Austria , and had two children , Assen Ludwig Alexander ( 1890 -- 1965 ) and Marie Therese Vera Zvetana ( 1893 -- 1935 ) .