Joannes Jacobus Laeven was born⁽¹⁾ on 15 Nov 1860 in Klimmen, L. He died⁽²⁾ on 26 Mar 1915 in Ixelles, BrHGew, BE. He married⁽³⁾ Marie-Louise Demasure on 30 May 1885. Joannes was employed⁽⁴⁾ as architect te Brussel.
Marie-Louise Demasure
Marie-Louise Demasure⁽¹⁾ was born⁽²⁾ on 31 Oct 1861 in Brussel, BrHGew, BE. She died⁽³⁾ on 30 Aug 1919. She married⁽⁴⁾ Joannes Jacobus Laeven on 30 May 1885.