Singer, Jakob b. Abt. 1837 d. Jul 24, 1895

Singer, Evzen b. May 2, 1881 d. May 23, 1961

Singerova, Mia b. 1896 d. 1983

Knapf, Helene (m. Singer) b. Aug 18, 1847 d. Feb 22, 1921