Constantin Sion, also known as Costandin or Cothi Sion (1795 or 1796 – February 23, 1862), was a Moldavian political conspirator, genealogist, and polemicist. He was born into the lower ranks of the boyar aristocracy, and, though his brothers were able to climb the social ladder, he mostly had petty offices in the provinces. Sion's frustration with this standing, and his resentment toward more successful Greeks, shaped his literary work and his activities as a falsifier of documents, in conjunction with his younger brother Costache. Early on, he fabricated evidence that suggested his family was descended from the Khan Girays of the Crimean Khanate. Constantin experienced an episodic rise in status during the Greek War of Independence, when he supported the Ottoman Empire and had his loyali