Gustav Vorberg – – Rodokmen Prause, Špunda, Smička, Nevrlý, Bernát, Dočkal

Gustav Vorberg , –

1 G. Vorberg –

1 Friederike Beitner –

2 Johann Sprienies –

1 Ida Vorberg 1912–1953

2 Edi Vorberg –

1 Adolf Johann Sprainies 1903–1967

Private

Private

3 Raymond Eiduk 1940–1943

Private

6 John Eiduk 1949–2008

Private

1 Wally Sprainies 1932–2008

2 Willie Sprainies 1941–1996

3 Raymond Sprainies –

4 Edward Sprainies –

Private

Family with parents
father	G. Vorberg –
mother	Friederike Beitner –
sister Family Kasimir Eiduk Private Private Raymond Eiduk Private Private John Eiduk Private	Ida Vorberg 1912–1953
sister	Edi Vorberg –
himself	Gustav Vorberg –

Mother’s family with Johann Sprienies
step-father	Johann Sprienies –
mother	Friederike Beitner –
half-brother Family Private Wally Sprainies Willie Sprainies Raymond Sprainies Edward Sprainies Family Wladislawa Korber	Adolf Johann Sprainies 1903–1967
half-sister	Private
half-sister	Private