5 May 1841 Maassluis, civilmarriage Nr.6 (genlias.nl, archive Stadsarchief Vlaardingen)
groom Gerardus Jonkergouw, age 53, birth=bapt. ‘s-Hertogenbosch, son of: Martinus Jonkergouw, Anthonia van der Griendt; bride Joanna Petronella Heijdens, age 53, birth=bapt. Heusden, daughter of: Nicolai Heijdens, Adriana van der Sluijsen. / Info: The groom is widower of: Anna Catharina van der Reidt; the bride is widow of: Govert van Aken. //

1-2 May 1845 Maassluis, deathcert.Nr.44, cert.date 2 May 1845, archive Stadsarchief Vlaardingen, source genlias.nl, deceased woman: Petronella Heijdens, age 54, date of death 1 May 1845, place of death Maassluis, daughter of: Nicolaas Heijdens, Adriana van der Sluizen. / The deceased is wife of: Gerardus Jonkers. //

22 Oct.1845 Maassluis, civilmarriage cert.Nr.24, municipality Maassluis, archive location Stadsarchief Vlaardingen, genlias.nl, groom: Nicolaas van Schaik, age 25, birth 9 July 1820 in Maassluis, son of: Nicolaas van Schaik, Margaretha Rijsbergen; bride Petronella van Aken, age 23, birth 7 Sep.1822 in Maassluis, daughter of: Govert van Aken, Petronella Heijden. //

28-29 Jun.1846 Maassluis, birthcert.Nr.48, archive Stadsarchief Vlaardingen, genlias.nl, date birthcert.29 Jun.1846, child: Margaretha Nicola van Schaick, birth 28 June 1846 Maassluis, daughter of: Nicolaas van Schaick, Petronella van Aken. //

5 May 1847 Maassluis, prov.ZH (source genlias.nl, archive Stadsarchief Vlaardingen, prov.ZH)
groom Gerardus Jonkergouw, age 59, birth 1 March 1788 ‘s-Hertogenbosch, son of: Martinus Jonkergouw, Antonia van der Griendt; bride Agatha van Loenen, age 45, birth/bapt.10 Aug.1801 Maassluis, daughter of: Adrianus van Loenen, Francina de Bruijn. / Information groom: Widower of Petronella Heijdens. //