1. | Leonardus Petrus Ruygrok was born on 23 Jul 1879; died on 27 Sep 1960. Family/Spouse: Hendrika Catharina Materman. Hendrika (daughter of Barend Materman and Hendrika Catharina Hollaar) was born on 10 Feb 1891 in Zeist; died on 18 Aug 1975 in Zeist; was buried on 21 Aug 1975 in Zeist (woudenbergseweg ck160). [Group Sheet] [Family Chart] Children:
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