Coat of arms of Pavel Demidoff.
This file was derived from:

 CoA of the dukes of Leuchtenberg (1817-1826).svg: File:CoA of the dukes of Leuchtenberg (1817-1826).svg
Demidov herb.jpg: 
Heraldic Crown of Spanish Grandee.svg:
CoA_of_the_dukes_of_Leuchtenberg_(1817-1826).svg: Chatsam (original file), Current version by Katepanomegas.
Heraldic_Crown_of_Spanish_Grandee.svg: Heralder
derivative work: Avalokitesvara (talk)