Léontine Octavie Henriette Janssen
1868 -
Opm.: Scroll eventueel naar beneden of naar rechts om alles te kunnen zien.
 | Carl Florenz Koch 1893- |
| Carl Florenz Koch | |
| G: | 20 okt 1893 |
| Amsterdam | |
| Cornelia Gerhardina Grada Elders 1883-1965 |
| Cornelia Gerhardina Grada Elders | |
| G: | 10 nov 1883 |
| Amsterdam | |
| H: | 18 jun 1925 |
| Amsterdam | |
| O: | 19 jan 1965 |
| Venlo | |
| Maria Hubertina Koch 1895- |
| Maria Hubertina Koch | |
| G: | 14 feb 1895 |
| Amsterdam | |
| Bernhard Theodor Koch 1896-1896 |
| Bernhard Theodor Koch | |
| G: | 5 aug 1896 |
| Amsterdam | |
| O: | 7 aug 1896 |
| Amsterdam | |
| Leonie Anna Rijs 1925-1985 |
| Leonie Anna Rijs | |
| G: | 17 sep 1925 |
| O: | 11 sep 1985 |
| Grahamstown, Eastern Cape, Zuid-Afrika | |
| Lodewijk Carl Rijs 1928-2006 |
| Lodewijk Carl Rijs | |
| G: | 21 sep 1928 |
| Bloemfontein, Free State, Zuid-Afrika | |
| O: | 6 sep 2006 |
| Port Elizabeth, Eastern Cape, Zuid-Afrika | |
| Theodoor Carl Rijs 1933-1997 |
| Theodoor Carl Rijs | |
| G: | 6 apr 1933 |
| O: | 1 mrt 1997 |
| Klerksdorp, North West, Zuid-Afrika | |
| Bertha Maria Koch 1898-1972 |
| Bertha Maria Koch | |
| G: | 10 mei 1898 |
| Amsterdam | |
| O: | 14 sep 1972 |
| Pretoria, Gauteng, Zuid-Afrika | |
| Wilhelmus Lodewijk Rijs 1900-1959 |
| Wilhelmus Lodewijk Rijs | |
| G: | 23 feb 1900 |
| Maasniel | |
| H: | 3 mrt 1924 |
| Bloemfontein, Free State, Zuid-Afrika | |
| O: | 13 okt 1959 |
| Nylstroom, Zuid-Afrika | |
| Bernardina Maria Koch 1904- |
| Bernardina Maria Koch | |
| G: | 13 okt 1904 |
| Amsterdam | |
| Albert Colon | |
| H: | 16 sep 1930 |
| Londen, Engeland | |
| Bernard Heinrich Koch 1903-1980 |
| Bernard Heinrich Koch | |
| G: | 29 jan 1903 |
| Amsterdam | |
| O: | 21 jun 1980 |
| Amsterdam | |
|
| Léontine Octavie Henriette Janssen | |
| G: | 4 mrt 1868 |
| Roermond | |
| Carl Clemens Koch | |
| H: | 26 jan 1893 |
| Amsterdam | |