8 Jul.1897 Breda, prov.NBr., genlias.nl, archive bhic.nl, location Brabants Historisch Informatie Centrum, civilmarriage certificate Nr.95, municipality of Breda (marriagecertificate has more information) :
groom Jacobus Nierop, birth 19 Sep.1847 ‘s-Gravenhage/The Hague, son of: Klaas Nierop, Alida Klijn; bride Geertje Prins, birth 24 Jan.1854 Purmerend, daughter of: Pieter Prins, Aafke Rijper. //

1-3 Apr.1900 Haarlem, prov.NH, website haarlem.digitalestamboom.nl, deathcertificate Nr.385, municipality Haarlem, date cert.3 Apr.1900, deceased man: Jacobus Nierop, age 52, profession “loopknecht”, place of birth ‘s-Gravenhage (The Hague), death 1 Apr.1900 Haarlem, address Hazepaterslaan Nr.10, in the afternoon at six p.m.; his last place of residence Haarlem, address: Rijpstraat Nr.5; son of: Klaas Nierop, Alida Klijn, both deceased. / The deceased Jacobus Nierop is married, husband of: Geertje Prins. /

6 Dec.1911, Amsterdam, prov.NH, the Netherlands, civil marriage cert.Nr. reg.6H;fol.49, (genlias.nl.)
groom Anthon Theodorus Nierop, age 23, profession: “matrooskok bij de Koninklijke Marine”, place of birth Haarlem, son of Jacobus Nierop, and Geertje Prins; bride Louisa Hendrika Christina van der Vegt, age 21, place of birth Amsterdam, daughter of Christoffel van der Vegt, profession “loodgieter”, and Christina Maria Antoinetta Kenter. //

3 Aug 1922, Amsterdam, source genlias.nl, civilmarriage Nr. Sloterdijk;reg.S1;fol.43v.;
groom Anthon Theodorus Nierop, age 33, profession “los werkman” (workman), place of birth Haarlem, son of: Jacobus Nierop, Geertje Prins; bride Jansje Kampman, age 38, place of birth Amsterdam, daughter of Klaas Herman Kampman, Philippina Jansen. / Info groom, he is widower of: Louise Hendrika Christina van der Vegt. / Info bride, she is divorced from: Wilhelm Frederik Henri Kok. //