Agrippina Fedorovna Chelyadnina (floruit 1538), was a Russian noble and courtier, the royal governess of Tsar Ivan the Terrible. Agrippina Fedorovna Chelyadnina belonged to the elite of courtiers through her family connections, and was since at least 1518 a noble childless widow when she was, shortly before the death of Vasilij III, assigned as th...