Grax Tarkin was an arms dealer who passed to Dorek's Syndrome. He was the adoptive grandfather of Tarrik Tarkin.
- 2240 Grax Tarkin, Tarrik's adoptive grandfather, is born to a wealthy family of Ferengi arms dealers on Tutatuband Station
- 2290 Grax Tarkin begins doing business with Eluana Gylar while she is in male disguise. She acts as a middleman for a large amount of weaponry that's sold to Rodulan merchants
- 2328 Grax Tarkin finds Eluana is female when the person who sold her the fake ID sells him "important information about one of his business partners", but as she is a valuable trading partner revealing her would ultimately cost him substantial latinum. He lies about her identity to station Security Officers at great risk to himself–if he's found lying he will pay substantial fines, and she was under investigation so his lie may have been found out. Eluana ends the investigation before it can finish with a bribe to a higher ranking Security Officer. She and Grax arrange for the person who sold her the ID to have a fatal accident when they find him trying to sell information about Grax
- 2329 Eluana teaches Grax chess and he begins playing regularly with her
- 2330 Prax Tarkin, Tarrik's adoptive father, is born to Grax Tarkin on Tutatuband Station. Eluana helps raise him, babysitting and visiting often
- 2334 Grax Tarkin passes to Dorek Syndrome. Eluana steps in to help raise Prax with financial support and a great amount of her time, becoming a close family friend. The Tarkin family knows she isn't male but keeps her secret