Johan Huygenszoon De Groot

1554 - 1640  (85 years)

• Name	Johan Huygenszoon De Groot
  Birth	8 Mar 1554	Netherlands
  Gender	Male
  Death	5 Mar 1640	Netherlands
  Person ID	I28130	footsteps
  Last Modified	27 Nov 2025

  
  

  Father	Huych Hugo Corneliszoon De Groot,   b. 1511, Netherlands d. 12 Apr 1567, Netherlands (Age 56 years)
  Relationship	natural
  Mother	Elsgen Jan Reyersznsdr Van Heemskerk,   b. Abt 1520, Netherlands d. Abt 1581, Netherlands (Age 61 years)
  Relationship	natural
  Marriage	22 Jan 1543	Netherlands
  Age at Marriage	Huych was ~ 32 years and 1 month - Elsgen was ~ 23 years and 1 month.
  Family ID	F17131	Group Sheet  |  Family Chart

  
  

  Family	Cornelia Pieters,   b. 1564, Netherlands d. 1645 (Age 81 years)
  Marriage	Abt 1580	Netherlands
  Age at Marriage	Johan was ~ 25 years and 9 months - Cornelia was ~ 16 years.
  Children	+ 1. Symon Janse De Groot,   b. 10 Apr 1583, Netherlands d. Abt 1630, Netherlands (Age 46 years)  [Father: natural]  [Mother: natural]
  Family ID	F17076	Group Sheet  |  Family Chart
  Last Modified	27 Nov 2025