MaleCarel Willink Ketjen  | 
| Birth | 24 Sep 1837 | Doetinchem, Gelderland, Nederland  | 
| Death | 28 Jan 1907 | Doetinchem, Gelderland, Nederland  | 
| Burial | ||
| Marriage | 16 Apr 1874 | Doetinchem, Gelderland, Nederland  | 
| Father | Hendrik Christiaan Willink Ketjen | F359 Group Sheet | |
| Mother | Jeanne Antoinette Caroline Schroder | F359 Group Sheet | |
  FemaleMargaretha Coops  | 
| Birth | 26 Sep 1842 | Doetinchem, Gelderland, Nederland  | 
| Death | 19 Feb 1875 | Doetinchem, Gelderland, Nederland  | 
| Burial | ||
| Father | Peter Coops | F941 Group Sheet | |
| Mother | Geertrui Wilhelmina Sophia Kindermann | F941 Group Sheet | |