DescriptionIoannKonstantinovichRomanov.jpg Русский: Портрет князя императорской крови Иоанна Константиновича English: IoannKonstantinovichRomanov Date Unknown
DescriptionPrince IoannKonstantinovichRomanov in uniform.jpg Le prince John [i.e. Ivan] Constantinovitch de Russie : [photographie de presse] / [Agence
DescriptionIoannKonstantinovich of Russia.png IoannKonstantinovich of Russia Date before 1918 date QS:P,+1918-00-00T00:00:00Z/7,P1326,+1918-00-00T00:00:00Z/9