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. //

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. //

4-5 Nov.1853 Maassluis, prov.ZH (genlias.nl, archive Stadsarchief Vlaardingen, prov.ZH.)
deceased woman: Agatha van Loenen, age 51, date of death 4 Nov 1853, place of death Maassluis, daughter of: Adrianus van Loenen, Francina de Bruin. / The deceased is wife of: Gerardus Jonkergouw. //