Coenradus Harmannus Kolthoff–
- Name
- Coenradus Harmannus Kolthoff
- Given names
- Coenradus Harmannus
- Surname
- Kolthoff
| Birth | yes |
| Marriage | Petronella Johanna Mekel — View this family yes |
| Birth of a daughter #1 | Johanna Kolthoff December 11, 1846 |
| Occupation | smid May 17, 1868 |
| Birth of a grandson #1 | Bonefacius Petrus Maria Spoelstra December 8, 1877 |
| Death of a grandson | Bonefacius Petrus Maria Spoelstra July 9, 1878 |
| Birth of a grandson #2 | Bonefacius Coenradus Spoelstra August 11, 1881 |
| Death of a grandson | Bonefacius Coenradus Spoelstra September 6, 1881 |
| Birth of a grandson #3 | Bonefacius Petrus Spoelstra January 4, 1886 |
| Death of a grandson | Bonefacius Petrus Spoelstra February 1, 1887 |
| Birth of a grandson #4 | Bonefacius Petrus Spoelstra June 25, 1887 |
| Birth of a granddaughter #5 | Johanna Susanna Spoelstra about 1891 |
| Death | yes |
| Family with Petronella Johanna Mekel |
| himself |
Coenradus Harmannus Kolthoff Birth: Death: |
| wife |
Petronella Johanna Mekel Birth: Death: |
|
Marriage: — |
|
| daughter |
Johanna Kolthoff Birth: December 11, 1846 — Groningen, Groningen, Nederland Death: |