Vladimir II Monomakh
Mstislav I Vladimirovich the Great or Mstislav the Great (Russian: Мстислав Владимирович Великий, ; February, 1076 – April 14, 1132) was the Grand Prince of Kiev (Kyiv, 1125–1132), the eldest son of Vladimir II Monomakh by Gytha of Wessex. He is figured prominently in the Norse Sagas under the name Harald, to allude to his grandfather, Harold II of England. Mstislav's Christian name was Theodore.