Gustav Brock
| Born: | 12 March 1843 |
| Birthplace: | Rakovnik, Bohemia, Czech Republic |
| Parents: | Josef Brock and Franziska Perutz |
| Married: | Zaneta (Jeanette) Kantor (1849 - 1928) |
| Children: | Kamilla Brock married Friedrich Gans |
| Helene Brock married Siegmund Hammerschlag | |
| Martha Brock married ? Reinisch | |
| Ida Brock married ? Kohn | |
| Karl Broc k married Else ? | |
| Died: | 6th February 1934, České Budějovice (Budweis) |
| Buried: | |
| Occupation: | |
| Details: |
Source: 15 May 1928, Prager Tagblatt
Source: Prager Tagblatt 19th November 1931