The silver jubilee of Grand Duke Konstantin Konstantinovich and Grand Duchess Elizabeth Mavrikievna. Konstantinovichi - the children of the Grand Duke Constantine Romanov and the Grand Duchess Elizabeth Mavrik More
Gavriil Konstantinovich (July 3 (15), 1887, Pavlovsk - February 28, 1955, Paris) - Prince of Imperial Blood. Konstantinovichi - the children of the Grand Duke Constantine Romanov and the Grand Duchess Elizabet More
Konstantinovichi - the children of the Grand Duke Constantine Romanov and the Grand Duchess Elizabeth Mavrikievna (nee Princess Saxe-Alteburg, 1865-1927) The Grand Duke Konstantin Nikolaevich (September 9 (21), More