Fyodor (Theodore) I Ivanovich ( or Feodor I Ioannovich ; 31 May 1557 – 16/17 January (NS) 1598) was the last Rurikid Tsar of Russia (1584–1598), son of Ivan IV (The Terrible) and Anastasia Romanovna. He was born in Moscow and crowned Tsar and Autocrat of all Russia at Assumption Cathedral, Moscow, on 31 May 1584.