She is married to Joos van der Neck.
Permission for the marriage has been obtained in Hontenisse on January 29, 1768.Source 1
datum: 29 jan 1768; naam bruidegom: Joost van der Neck; weduwnaar van: Cornelia de Nijs; naam bruid: Anna Catrina Keulenaar; scan: 210; link naar scan: https://www.familysearch.org/ark:/61903/3:1:3QS7-89QJ-3HZ7?i=209&cc=2036997