许多珍贵的罗马诺夫王朝艺术品在冬宫博物馆展出。

Many precious ___Romanov artifacts are displayed in the Hermitage Museum.

这位历史学家在研究罗曼诺夫王朝的最后一位沙皇。

The historian is studying the last tsar from the ___Romanov dynasty.