Parents
- Ywan Simonis (1834 - 1901), industriel, membre de la commission des hospices civils de Verviers
- Jeanne de Biolley (1836 - 1920)
Family
- Married on August 22, 1894 in Wanze, at Antheit, with Jeanne de Foestraets (1871 - 1963), issuing
Ghislaine (1895 - 1936)
Guillaume (1896 - 1953)- Marie-Antoinette (1897 - 1986)
- Marie-Madeleine (1899 - 1978)
- Iwan (1900 - )
- Valentine (1901 - 1901)
- Jeanne (1902 - )
- Marie Louise (1904 - 1975)
Notes
Anobli en 1911 ?