The artist is Trifonov
Charlotte Kristina Sofia Braunschweig-Wolfenbutta (1694–1715). The third daughter of the Duke of Ludwig Rudolf Braunschweig-Wolfenbutteli and Christina Louise Ettingen. Tsarevich’s wife Alexei Petrovich. She died a few days after the birth of the son of Peter, the future Emperor Peter II (1715–1730).