She has/had a relationship with Petrus Andreas Veleyn.
Child(ren):
FamilySearch: Family Tree
Maria Cecilia Thery
Death 14 February 1845 • Adinkerke, West Flanders, Belgium
Spouse Petrus Andreas Veleyn
Children Franciscus Engelbertus Veleyn
Lead confidence: 5
https://www.familysearch.org/tree/person/G76W-FMG
gonl: GenealogieOnline
Maria Justina Cecilia Thiery (Thery)
Birth Andinkerke, West-Vlaanderen, Belgium
Death 1845 • Andinkerke, West-Vlaanderen, Belgium
Children Benedictus Josephus Vileyn ( VILEIN-VILAIN-VUYLEYN-VYLLEYN-VYLAYN) • Franciscus-Engelbertus Josephus Vileyn ( VILEIN-VILAIN-VUYLEYN-VYLLEYN-VYLAYN) • Joannes Baptiste Vileyn • Petrus Leopoldus Jacobus Vileyn
https://www.genealogieonline.nl/en/stamboom-verbeeck/I5119.php
From FamilySearch.org