Constantin von Liechtenstein was born in 1911.
Constantin von Economo died in 1931.
Constantin von Monakow died in 1930.
Constantin von Wurzbach died in 1893.
Constantin von Alvensleben died on 1892-03-28.
Constantin von Tischendorf died on December 7, 1874 at the age of 59.
Constantin von Ettingshausen died on February 1, 1897 at the age of 70.
Constantin Andreas von Regel died on 1970-05-22.
Jörg Lanz von Liebenfels died in 1954.
Constantin Baron Digeon von Monteton died on 1944-06-27.
Constantin von Lahnstein was created in 2004.
Constantin von Economo was born in 1876.