His Imperial Highness Caesarevich and Grand Duke Constantine Pavlovich

Sources of biographical information

Birth: Kammer-Furier Journal, April 27, 1779

Christening: Highestly Approved Ceremonial of the Saint Baptizm of His Imperial Highness Grand Duke Constantine Pavlovich. // Kammer-Furier Journal of 1779, v.II, Additions, pp.39-44