- Born on May 3, 1861 in Paris
- Deceased on January 16, 1946 in Buenos Aires, at the age of 84 years
Parents
- Eugène Beyens (1816 - 1894), baron Beyens, ambassadeur de Belgique en France, ambassadeur de Belgique en Espagne
- María Alcalà Galiano y Valencia (c. 1828 - 1917), dame de l'Ordre de Marie Louise d'Espagne
Family
- Married with Alina De Mot (1867 - 1958), issuing