Yvonne Zichy

• 
• Born on December 10, 1920 in Budapest
• Deceased on October 3, 2005, at the age of 84 years

Parents

• Hermann Zichy (1888 - 1965)
• Clara Udranszky (1894 - 1968)

Family

• Married on May 13, 1939, with Albrecht Nicolaas de Vos van Steenwijk (1912 - 1996), baron de Vos van Steenwijk, divorced in 1956, issuing
  • Coenraad Reinhold (1940 - 1941)
  • Jan Arend Godert (1942 - 2014)
• Married on December 27, 1956, with Theodore Francois Valck-Lucassen (1913 - 1976), without issue.