Yvon Hex was an admiral of the Galactic Alliance Remnant and the Circle of Admirals. She served under Gar Stazi during the second Imperial civil war. Later on she served in the Federation of Free Planets as admiral in the navy. She also had a force-sensitive sister, Sarah Hex. Yvon later recieved the rank of Queen Mother among the Hapans due to the absence of a current one, and Yvon being a descendant from Maron Argo.