| Name | Leander Koos | |
| Birth | Abt 1863 | Merthyr Tydfil |
| Gender | Male | |
| Person ID | I199 | Bell |
| Last Modified | 6 Mar 2005 | |
| Father | Leander Koos, b. Abt 1830, Baden, Germany d. Q1 1904, Merthyr Tydfil (Age 74 years) | |
| Mother | Margaret, b. Abt 1832, Merthyr Tydfil | |
| Family ID | F72 | Group Sheet | Family Chart |