He had a relationship with Marie Assez.
Child(ren):
gonl: GenealogieOnline
Carolus Dekein
Children Marie Therese Dekein
https://www.genealogieonline.nl/en/stamboom-erik-develter/I830640664872936.php
From FamilySearch.org
https://familysearch.org/ark:/61903/3:1:3Q9M-C3MK-PS1S-Z
"Belgique, Flandre-Occidentale, registres d'état civil, 1582-1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/3:1:33SQ-GGKM-S3F6?cc=2139860&wc=QZ9J-P7M%3A1009531301%2C1009429401 : 22 May 2014), Langemark ) Geboorten, huwelijken, overlijden 1837-1844 ) image 299 of 989; België Nationaal Archief, Brussels (Belgium National Archives, Brussels).