Samuel (Greek: Σαμουήλ), lay name Skarlatos Chazteris (Σκαρλάτος Χαντζερής) served as Ecumenical Patriarch of Constantinople during the periods 1763-1768 and 1773-1774. He was born in 1700 in Istanbul. He studied in the Great School of the Nation. In a young age he was ordained deacon and later he became an archdeacon of the Patriarch Paisius II. He was elected metropolitan bishop of Derkoi in 1731 and Ecumenical Patriarch on 24 May 1763, even though he thought he was too old for this position.