Abraham ben Abraham
Abraham ben Abraham (Hebrew: אַבְרָהָם בֶּן אַבְרָהָם, lit. 'Abraham, son of Abraham') (c. 1700 – 23 May 1749), also known as Count Valentine (Valentin, Walentyn) Potocki (Pototzki or Pototski), was a Polish nobleman (szlachta) of the Potocki family who converted to Judaism and was burned at the stake by the Roman Catholic Church for apostasy.