Born: 23 January 1885, Amsterdam, Netherlands.
Died: 1 September 1922.
Father: Charles Boissevain
Mother: Emily Héloïse MacDonnell
Married: Prof. Dr. Lieven Ferdinand de Beaufort (1879-1968), 27 June 1907, Naarden, Netherlands.
Nella, b. 26 April 1908, m. Baron Carel Wessel Theodorus van Boetzelaer
Willem Ferdinand Arnaud, b. 1 January 1911.
Hans, b. approx 1915, d. 9 April 1942, Dijon, France. A motorcycle racer after whom the Hans de Beaufort-beker (trophy) is named. Helped allied airmen to safety during WW2, but was caught and executed by the Nazis.
Her husband, Lieven de Beaufort, was director of the Amsterdam Zoological Museum from 1922-1949. He was from a wealthy, aristocratic family.
With children Willem, Charlie, Nella and Hans.