Gideon Jacobus de Vos and Anna Deborah Möller were married 26 Sept 1876, according to Rootsweb.
Also, according to https://www.familysearch.org/ark:/61903/3:1:3Q9M-CSJG-G9Q1-S?i=762&... and https://www.familysearch.org/ark:/61903/3:1:3Q9M-CSK6-YQ39-J?i=13&a... Gideon Jacobus de Vos and Anna Debora Moller had two children before Pieter Wouter, these being Hester Maria * 11.7.1877 ≈ Worcester 5.8.1877 and Wouter * 23.2.1879 ≈ Worcester 30.3.1879
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