I have wispy memories about a Davion who had the hots for a Liao (Barbara?) to the point of forcefully abducting her, and she was then rescued by the Red Heart Guard? Could be I'm terribly wrong though. Traveling and no access to my files.
One of the sidebars from Era Digest: Age of War talks about the closest the non-Empires Aflame timeline ever got to a "Confederated Suns"...