Constantin von Liechtenstein died in 2001.
Constantin von Economo was born in 1876.
Constantin von Dietze was born in 1891.
Constantin von Monakow was born in 1853.
Constantin von Wurzbach was born in 1818.
Constantin von Ettingshausen was born on June 16, 1826.
Constantin von Tischendorf was born on January 18, 1815.
Constantin von Alvensleben was born on 1809-08-26.
Constantin Andreas von Regel was born on 1890-08-10.
Constantin von der Decken was born on March 9, 1993.
Constantin von Jascheroff was born on March 5, 1986, in Berlin, Germany.
Constantin von Ettingshausen was born on June 16, 1826.