He is married to Maria Catherina de COCQ.
They got married on 14 avril 1733 at Langemark, Langemark-Poelkapelle, Flandre occidentale, Belgique, he was 30 years old.Source 1
Child(ren):
gonl: GenealogieOnline
Jacobus Cornelius Hessel
Children Petronella Joanna Hessel
https://www.genealogieonline.nl/en/stamboom-vanoplynes/I532253.php
FamilySearch: Family Tree
Jacobus Cornelius HESSEL
Birth 27 February 1703 • Langemark, Langemark-Poelkapelle, West-Vlaanderen, België
Death 21 May 1746 • Langemark, Langemark-Poelkapelle, West-Vlaanderen, België
Parents Joanna SAEREL • Stephanus HESSEL
Spouse Maria Catherina DE COCQ
Children Jan Baptiste HESSEL
Lead confidence: 5
https://www.familysearch.org/tree/person/L117-4BF
FamilySearch: Family Tree
Jacobus Cornélius HESSEL
Birth 27 February 1703 • Langemark, West-Vlaanderen, België
Parents Joanna SAEREL • Stephanus HESSEL
Lead confidence: 5
https://www.familysearch.org/tree/person/KLBZ-SBR
Jacobus Cornelius HESSEL | ||||||||||||||||||||||||||||||||||
1733 | ||||||||||||||||||||||||||||||||||
Maria Catherina de COCQ |
https://familysearch.org/ark:/61903/4:1:L117-4BF