The history of Abraham ben Abraham, also known as Count Valentine (Valentin, Walentyn) Potocki (Pototzki or Pototski) is a controversial subject. According to Jewish traditions he is regarded as someone known even to the revered Jewish Talmudic sage, the Vilna Gaon (Rabbi Elijah (Eliyahu) Ben Solomon Kremer (1720-1797)). However historians have questioned the factual accuracy of this story because no other corroborating evidence of Potocki's existence has yet been discovered, and they state that most likely he did not exist.