Parents
- Étienne de Vrière (1814 - 1864), conseiller provincial de la Flandre occidentale, conseiller communal de Beernem
- Léonide Mulle de Ter Schueren (1828 - 1896)
Family
- Married on October 17, 1883 in Herenthout, with Adélaïde van Reynegom de Buzet (1862 - 1900), issuing
Maria (1884 - 1931)- Agnès (1886 - 1942)
- Isabelle Marie Fernande (1888 - 1949)
- Married on October 11, 1910 in Leuven, with Anaïs Otto de Mentock (1856 - 1924)
- Relationship with Cécile van Outryve d'Ydewalle (1879 - 1925)
- Married on July 19, 1926 in Beernem, with Marguerite Ysebrant de Lendonck (1875 - 1948)