Sponsored Links Duke Constantine Petrovich of Oldenburg Complete Dating History Add new Post Sponsored Links Duke Constantine Petrovich of Oldenburg wiki Login to Edit Date of Birth: 09 May, 1850Zodiac Sign: TaurusPlace of Birth: St. Petersburg, Russian EmpireDied: 56 years agoDate of Death: 18 Mar, 1906 Duke Constantine Petrovich of Oldenburg Latest Videos