Harmony of Worlds Series by Valerie J. Freireich

Set against a background of interplanetary war at the far reaches of the universe, here is a sweeping tale exploring what it means to be human. Can the clone of a traitor overcome his legacy, or will he be doomed to repeat it? "Freireich creates a compellingly original situation (and) finds just the right character to react against it".--Locus.

They are a world of genengineered humans--gifted with the ability to remember events that happened to their ancestors as if it had happened to them. But Gray Bridger's memory is only "human", and thus, he is an outcast. Still, the Bridger matriachy has plans to make him the most important man on the planet--or crush him in the attempt.

Simply because he is genetically altered, an academic researcher is banished to the unknown enemy worlds of the Emirates