Ivan Mikhailovich Grevs (Russian: Ива́н Миха́йлович Гревс; 4 May 1860 – 16 May 1941) was a Russian historian and one of the founders of the Russian school of medievalism that emphasised the influence of the Roman Empire on the social structure of medieval Europe.
[3] He was born into a landholding family who originally came from England during the time of Peter the Great.
He was born on his father's estate near Lutovinov, Biryusinsky district, Voronezh.
[4] In 1873, he moved to Saint Petersburg, where he died in 1941.
He is buried at Volkovskoe Lutheran Cemetery.