Thestro Wovendato
An unknown individual buried on the island of Erigone. The name and the tombstone that bears it (and only it) are the only remnants that have ever been found of this person. Literally nothing else is known or has been found in any records anywhere since the grave was discovered in CY 742. No birth records, no tax records, no marriage records, no court cases, no census records, no geneologies, no stories, and no pre-discovery appearances of either name.
Speculation as to who this person was and how they came to be buried on this never-inhabited jungle island is a favorite pastime of sages and drunks in bars.