He has/had a relationship with Amélie Neyrinck.
Child(ren):
FamilySearch: Family Tree
Louis Berquin
Death 30 September 1858 • Dadizele, West Flanders, Belgium
Spouse Amélie Neyrinck
Children Judith Berquin • Leonie Berquin
Lead confidence: 5
https://www.familysearch.org/tree/person/GQYG-5ST
From FamilySearch.org
https://familysearch.org/ark:/61903/3:1:33SQ-GP6M-9HD5?i=209&cc=2139860&cat=72638
"Belgique, Hainaut, registres d'état civil, 1600-1913," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:VRG1-VT5 : 10 March 2018), Louis Berquin in entry for Judith Berquin, 21 Mar 1873; citing Death, Tournai, Hainaut, Belgium, België Nationaal Archief (Belgium National Archives), Hainaut; FHL microfilm 004229265.