He is married to Melanie Leonie Deforche.
They got married on October 15, 1897 at Passendale, West Flanders, Belgium, he was 74 years old.Source 1
FamilySearch: Family Tree
Ivo Messelis
Birth 1823
Spouse Melanie Leonie Deforche
Lead confidence: 5
https://www.familysearch.org/tree/person/G4HV-9GY
gonl: GenealogieOnline
Ivo Leo Messelis
Birth Ledegem, West-Vlaanderen, Belgium
Children Carolus Ludovicus Messelis • Leonardus Messelis
https://www.genealogieonline.nl/en/genealogie-beernaert-corneillie/I21216.php
https://familysearch.org/ark:/61903/4:1:G4HV-9GY