brother of Feodor's wife, Irina Godunova). Feodor produced one child: a daughter, Feodosia, who died at the age of two.

According to Dunning, "At the outset of Tsar Fedor's reign, Boris Godunov and other regents moved against a threat emanating from the court faction supporting Ivan the Terrible's youngest son, Dmitrii - the child of Ivan's sixth and last wife, Maria Nagaia. In May, 1591, Tsarevich Dmitrii was reported to be dead. On the basis of testimony from several eyewitnesses," an investigative