Прабабушка Джанны Тутунджан по материнской линии – Лидия Федоровна Чайковская, August von Medvey

The author's signature on the image points to the austrian miniaturist august von medvey (1814-1870), who was educated at the vienna academy of arts and worked as a miniaturist in paris and budapest. He was invited to russia in 1850 and worked in odessa, moscow and st. Petersburg until 1852, where he received the status of court miniaturist in 1859. Unknown date