Wilhelmus Godefridus Riko (1854- ) 
|
Jacoba Antonia Riko (1880- ) |
Maria Johanna Catharina Riko (1882- )  |
| Wilhelmus Godefridus Riko (1885- ) |
| Cornelia Louise Riko (1890-1899) |
| Catharina Maria Riko (1893- ) |
| Frederika Wilhelmina Strang (1888- ) |
| Pieter Marinus Riko (1888- )
|
| Jacobus Antonius Riko (1910- ) |
| Hendrika Johanna Riko (1912- ) |
| Pieter Marinus Riko (1915- ) |
| Antonius Leonardus Riko (1919- ) |
