He had a relationship with Maria Jacoba Vandermeersch.
Child(ren):
gonl: GenealogieOnline
Petrus Ignatius Deforche
Death Passendale, West-Vlaanderen, Belgium
Children Benedictus Deforche • Petrus Franciscus Deforche • Philippus Jacobus Deforche
https://www.genealogieonline.nl/en/stamboom-erik-develter/I7994589499754401.php
FamilySearch: Family Tree
Petrus Ignatius Deforche
Death 5 April 1826 • Passendale, West Flanders, Belgium
Spouse Maria Jacoba Vandermeersch
Children Benedictus Serafinus Deforche
Lead confidence: 5
https://www.familysearch.org/tree/person/G771-ZP8