He is married to Ludovica Vermaut.
They got married on September 2, 1868 at Zedelgem,West Vlaanderen,Belgium, he was 25 years old.Source 2
Child(ren):
FamilySearch: Family Tree
Ludovicus Degrande
Birth 8 November 1842 • Zedelgem, West Flanders, Belgium
Parents Augustin De Grande • Catharina Delhaey
Spouse Ludovica Vermaut
Children Leo Degrande • Leonia Sophia Degrande • Sidonia Maria Sophia Degrande
Lead confidence: 5
https://www.familysearch.org/tree/person/K2H6-RXT
gonl: GenealogieOnline
Carolus Ludovicus DEGRANDE
https://www.genealogieonline.nl/en/genealogie-van-loo-malcorps/I13247.php
From FamilySearch.org
https://familysearch.org/ark:/61903/3:1:33SQ-GP8X-VK8?i=974&cc=2139860&cat=279163
https://familysearch.org/ark:/61903/4:1:K2H6-RXT