They had the following children:

• Willem Fokke Bernard Johannes (26 Feb 1885, Arnhem, Netherlands)
• Johannes Theodorus (16 Apr 1886 - 20 Sep 1886, Arnhem, Netherlands)
• Theodorus Johannes (6 Jul 1887 - 5 Apr 1888, Arnhem, Netherlands)
• Johannes Hermanus (24 Mar 1889 - 4 May 1892, Arnhem, Netherlands)
• Willemke (22 Apr 1891, Arnhem, Netherlands)

Notes:

• Employment: kantoorbediende (office worker) or zaakwaarnemer (solicitor, attorney)
• Supporting documents at the wedding:
• Witnesses at Johannes Hermanus's birth: Willem Visser, 38 years old, commies bij de gemeente belasting (tax agent?), living in Arnhem & Johannes van Essen, 38 years old, commies bij de gemeente belasting (tax agent?), living in Arnhem
• Witnesses at Froukje's birth: Sye Hiedema, 42 years old, stalman (liveryman), living in Leeuwarden & Jan Tanja, 41 years old, vleeschhouwer (butcher), living in Leeuwarden
• Witnesses at the wedding: Gerhard Theodoor Kramer, 40 years old, metalworker, brother of the groom, living in Arnhem & Jasper de Kok, 34 years old, bookbinder, living in Nijmegen, brother-in-law of the groom & Geert de Vries, 39 years old, beer merchant, living in Leeuwarden, brother-in-law of the bride & Bernard Lodewijks, 28 years old, baker, brother-in-law of the bride, living in Arnhem
• Witnesses at Johannes's death: Willem Fokke Bernard Johannes Kramer, 39 years old, begrafenisondernemer, living in Arnhem, son of Johannes Hermanus & Hendrik Pieter Innemee, 34 years old, begrafenisondernemer, living in Den Haag

Sources:

1. "Netherlands, Gelderland Province Civil Registration, 1800-1952." Database with images. FamilySearch. http://FamilySearch.org : 14 June 2016. Rijksarchief de Gelderland, Arnhem (Gelders Archive, Arnhem).
2. "Netherlands, Friesland Province, Civil Registration, 1811-1950." Images. FamilySearch. http://FamilySearch.org : 14 June 2016. Nederlands Rijksarchiefdienst, Friesland (Netherlands National Archives, Friesland).
3. "Familiebericht". "Het Vaderland : staat- en letterkundig nieuwsblad". 's-Gravenhage, 15-10-1932. Geraadpleegd op Delpher op 14-08-2016, http://resolver.kb.nl/resolve?urn=ddd:010014388:mpeg21:a0134