Yvonne de Sécillon

• 
• Born on December 25, 1899 in Voeren
• Deceased on March 10, 1940, at the age of 40 years

Parents

• Arnold de Sécillon (1864 - )
• Eugénie Coenegracht

Family

• Married on December 2, 1920, with Alphonse de Grady de Horion (1899 - 1937), issuing
  • Private
  • Private