Interactive tree of Richard Koenig

Richard Koenig 1928–1984

Barbara E. Marcus 1929–2007

William Koenig 1890–1974

Rose Heltzer 1898–1979

Harris Hirsch Koenig 1858–

Blanche Blume Oppenheim 1866–1932

Abraham Oppenheim-Blum –

Brana _____ –

Louis Heltzer 1874–1921

Lillie Cohen 1881–

Benjamin Heltzer –

Anna _____ –