They had the following children:

• Wilhelmus Johannes "Wim" (9 Feb 1910, 's-Gravenhage, Netherlands)
• Adriana Wilhelmina "Jeanne"? (1 Jun 1911, 's-Gravenhage, Netherlands - 17 May 2000, Delft, Netherlands)
• Wilhelmina Helena "Mientje" (9 Oct 1917, 's-Gravenhage, Netherlands)

Notes:

• Their family card:
• Witnesses at Wilhelmus Johannes' birth: Pieter Machiel Saraber, 57 years old & Arie Matthijs Abraham Susan, 47 years old, bidders, both living in 's-Gravenhage
• Witnesses at Wilhelmina Helena's birth: Johannes Martinus Geneste, 66 years old & Dirk van der Tas, 59 years old, unemployed, both living in 's-Gravenhage
• Witnesses at the wedding: Johannes Adrianus Essenstam, 25 years old, lakei, brother of the bride & Christiaan Hendrik Innemee, 24 years old, begrafenisondernemer, brother of the groom & Willem Adriaan Marie van Lingen, 33 years old, adjunct-commies aan het departement van Financien & Dirk Cornelis Floris Bouman, 28 years old, borduurwerker, all living in 's-Gravenhage
• Witnesses at Wilhelmus Johannes' death: Hendrik Pieter Innemee, 36 years old & Karel Pieter Innemee, 33 years old, directeuren eener begrafenisonderneming, living in 's-Gravenhage, brothers of the deceased
• Witnesses at Wilhelmina Helena's death: Johan Schwencke, 55 years old, bedienaar living in 's-Gravenhage

Sources:

1. Digitale Stamboom Den Haag. http://denhaag.digitalestamboom.nl/
2. "Familiebericht". "Haagsche courant". 's-Gravenhage, 02-10-1925. Geraadpleegd op Delpher op 11-08-2016, http://resolver.kb.nl/resolve?urn=MMKB04:000144150:mpeg21:a0148
3. "Netherlands, Zuid-Holland Province, Civil Registration, 1679-1942," database with images, FamilySearch (https://familysearch.org/pal:/MM9.3.1/TH-1-10988-1089-67?cc=1576401 : 8 July 2014), 's-Gravenhage > Geboorten 1881 mei-dec > image 475 of 542; Nationaal Archief, Den Haag (National Archives, The Hague).