Orla von Waldenburg
Orla Dora Wilhelmine Auguste von Waldenburg
Daughter of Eduard von Waldenburg (1836-1899) and his third wife Dorothea (Dora) Siecke (1846-1917)
Born: Zurich 28. Jul 1886
Married: Wiesbaden 7. May 1912 Hermann Kalkmann (b. Hamburg 8. Sep 1887)
Died: Hamburg 18. Oct 1943 m.1912 Hermann Kalkmann
Source: Detlev Schwennicke "Europäische Stammtafeln. Neue Folgen", Vol. III/2, 1983, Verlag J. A. Stargaardt;