| Name | Idzert Jacobus JOHAN | |
| Birth | 26 Mar 1872 | Modjokerto, Java, DEI |
| Gender | Male | |
| Death | 30 Sep 1933 | Soerabaya, Java, DEI |
| Person ID | I10966 | Martherus | Ancestors of Robin Martherus |
| Last Modified | 25 Mar 2009 | |
| Father | Hendrik Johan, b. 4 Jul 1839, Soerabaya, Java, DEI d. 26 Feb 1919, Soerabaya, Java, DEI (Age 79 years) | |
| Mother | Theodora Wilhelmina POLAND, b. 12 Okt 1846, Padang, Sumatra, Dutch East Indies d. 20 Oct 1915, Modjokerto, Java, DEI (Age 69 years) | |
| Marriage | 1 Feb 1862 | Salatiga, Java, DEI |
| Family ID | F5510 | Group Sheet | Family Chart |
| Family 1 | Javanese woman | |||
| Marriage | Abt 1900 | |||
| Children |
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| Family ID | F6294 | Group Sheet | Family Chart | ||
| Last Modified | 12 Nov 2007 | |||
| Family 2 | Margaretha Clara Fifina Doderlein de Win, b. 08 Mar 1884, Saparoea, The Moluccas, DEI d. 29 May 1920, Soerabaya, Java, DEI (Age 36 years) | |
| Marriage | 24 Mar 1906 | Modjokerto, Java, DEI |
| Family ID | F6296 | Group Sheet | Family Chart |
| Last Modified | 12 Nov 2007 | |
| Family 3 | Margaretha Ledeman, b. 18 Feb 1889, Java, DEI d. ? Nov 1955 (Age 66 years) | |
| Marriage | Abt 1923 | |
| Family ID | F6297 | Group Sheet | Family Chart |
| Last Modified | 12 Nov 2007 | |