- Father: Evert GREFHORST
- Mother: Jenneke Reins SCHUT
- Birth: ABT 1829, Apeldoorn, Gelderland, Nederland
- Occupation: Tuinman
- Death: 17 Mar 1907, Apeldoorn, Gelderland, Nederland
- Partnership with: Johanna MILLIGEN van
Marriage: 24 Nov 1855, Apeldoorn
- Child: Reiniera Gerdina Sjenetta Cornelia GREFHORST Birth: ABT 1857, Katwijk
- Child: Goossen Constantijn GREFHORST Birth: 7 Dec 1858, Apeldoorn, Gelderland, Nederland
- Child: Jan Evert GREFHORST Birth: 19 Jul 1860, Apeldoorn, Gelderland, Nederland
- Child: Willemina GREFHORST Birth: 19 Dec 1861, Apeldoorn, Gelderland, Nederland
- Child: Reinder Gerrit GREFHORST Birth: 23 Aug 1863, Apeldoorn, Gelderland, Nederland
- Child: Cornelia GREFHORST Birth: 11 Jun 1864, Apeldoorn, Gelderland, Nederland
- Child: Cornelia GREFHORST Birth: 21 Jul 1865, Apeldoorn, Gelderland, Nederland
- Partnership with: Aaltje PODDE
Marriage: 13 Feb 1869, Apeldoorn
Ancestors of Gerrit GREFHORST
/-Evert GREFHORST
Gerrit GREFHORST
\-Jenneke Reins SCHUT
Descendants of Gerrit GREFHORST
1 Gerrit GREFHORST
=Johanna MILLIGEN van Marriage: 24 Nov 1855, Apeldoorn
2 Reiniera Gerdina Sjenetta Cornelia GREFHORST
=Jan Thomas STAP Marriage: 16 Mar 1878, Apeldoorn
3 Johanna Antonia Rensina STAP
3 Johanna Antonia Rensina STAP
2 Goossen Constantijn GREFHORST
=Jantjen DRAAIJER Marriage: 28 Jul 1883, Apeldoorn
3 Johanna GREFHORST
=Jan van ASSELT Marriage: 28 Oct 1905, Apeldoorn, Gelderland, Nederland
3 Jenneken GREFHORST
=Hermanus Adrianus KOLDENHOF Marriage: 19 Nov 1904, Apeldoorn, Gelderland, Nederland
3 Gerrit Jan GREFHORST
3 Gerrit GREFHORST
3 Constantia Johanna GREFHORST
3 Aaltje GREFHORST
=Lambert DONK Marriage: 4 Mar 1916, Apeldoorn
3 Gerrit Jan GREFHORST
=Johanna Hermina ALBERS Marriage: 11 Mar 1920, Apeldoorn
3 Reinder Gerrit GREFHORST
3 Gerritje GREFHORST
=Jan VREESWIJK Marriage: 11 Nov 1920, Huizen, Noord-Holland, Nederland
3 Reinder Gerrit GREFHORST
=Gerritje KOENDERS Marriage: 20 May 1922, Brummen
3 Cornelis GREFHORST
=Aatje HEIN Marriage: 20 Oct 1921, Apeldoorn
3 Jan GREFHORST
3 Goossen Constantijn GREFHORST
3 Jannetje GREFHORST
3 Jan GREFHORST
3 Willem GREFHORST
2 Jan Evert GREFHORST
=Hendrika Willemina WIJNBERGEN Marriage: 2 Feb 1884, Apeldoorn, Gelderland, Nederland
3 Derkje Johanna GREFHORST
=Hermanus KERS Marriage: 1 Apr 1920, Apeldoorn
3 N.N. GREFHORST
3 Gerrit GREFHORST
=Jenneken MEIJERINK
3 Gijsberta GREFHORST
3 Reinder Gerrit GREFHORST
=Maria Gesina HOLTMAN Marriage: 11 May 1920, Apeldoorn
=Aaltje HOLTMAN Marriage: 3 Aug 1895, Apeldoorn, Gelderland, Nederland
3 Willemina Hendrika GREFHORST
=Rik KARMAN Marriage: 19 Feb 1920, Apeldoorn, Gelderland, Nederland
3 Jan Evert GREFHORST
=Gerritje PETERS Marriage: 10 Feb 1921, Apeldoorn
3 Cornelia GREFHORST
3 Aaltje GREFHORST
=Herman Jan JANSSEN
3 Aart GREFHORST
3 Hendrika Willemina GREFHORST
3 Reiniera Gerredina GREFHORST
3 Reiniera Gerredina GREFHORST
3 Aart GREFHORST
3 Goossen Constantijn GREFHORST
2 Willemina GREFHORST
=Adrianus Johannes WILDSCHUT Marriage: 16 Feb 1884, Apeldoorn, Gelderland, Nederland
3 Geertruida Constantia WILDSCHUT
3 Johannes Adrianus WILDSCHUT
=Cornelia Johanna Maria DET van Marriage: 20 Dec 1917, Amsterdam, Noord-Holland, Nederland
3 Geertruida Constantina WILDSCHUT
=Harmen ABMA Marriage: 15 Nov 1916, Den Haag, Zuid-Holland, Nederland
3 Johanna Reiniera WILDSCHUT
=Arie JONG de Marriage: 21 Jun 1917, Amsterdam, Noord-Holland, Nederland
3 Reinira Gerardina Jeannette Cornelia WILDSCHUT
3 Adrianus Johannes WILDSCHUT
=Wilhelmina Adriana VERWAIJEN Marriage: 9 Aug 1923, Amsterdam, Noord-Holland, Nederland
3 Willemina WILDSCHUT
2 Reinder Gerrit GREFHORST
=Johanna Maria KNOOP de Marriage: 2 Aug 1888, Ubbergen
3 Johannes Marius GREFHORST
=Hilletje WITVLIET Marriage: 2 Aug 1922, Rotterdam, Zuid-Holland, Nederland
2 Cornelia GREFHORST
2 Cornelia GREFHORST
=Aaltje PODDE Marriage: 13 Feb 1869, Apeldoorn