He is married to Maria Julia Ghislaine Huysman de Neufcourt.
They got married on January 11, 1810, he was 23 years old.
Child(ren):
Baron, 10 December 1822
http://gw.geneanet.org/pierfit?lang=en;p=auguste+charles+joseph+ghislain;n=de+beeckman
Bron: https://books.google.nl/books?id=pvtLAAAAcAAJ&pg=PT258&lpg=PT258&dq=guillaume+beeckman+scagier&source=bl&ots=8_cQSA7-5j&sig=s45nK47_3_YxqRk0MJ7bwrpExQY&hl=nl&sa=X&ved=0CCEQ6AEwADgKahUKEwjX9pH1mM7HAhVEEXIKHVnQBgg#v=onepage&q=guillaume%20beeckman%20scagier&f=false
The data shown has no sources.