Derk Jan Willem Abraham Gesienius Coops 3651,3652,3653
- Born: 12 May 1846, Doetinchem, Gelderland, Netherlands
- Marriage (1): Anna Elisabeth Frederika Oudenhoven on 7 Apr 1881 in The Hague, South Holland, Netherlands
- Died: 17 Dec 1912, The Hague, 's-Gravenhage, Nederland at age 66
 Noted events in his life were:
• Military Service: Jakarta, Indonesia. Lt. ter zee
Derk married Anna Elisabeth Frederika Oudenhoven on 7 Apr 1881 in The Hague, South Holland, Netherlands. (Anna Elisabeth Frederika Oudenhoven was born on 20 Feb 1855 in Den Helder, Nederland and died on 17 Sep 1899 in The Hague, 's-Gravenhage, Nederland.)
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