Kor

Descended from Klingons affected with the augment virus, cured by the 2270s
Head of the House of Kor, descended from the Klingon Imperial Family
2260s: Achieved the rank of commander, assigned to a Klingon warship
2267: Led a battalion in an invasion & occupation of Organia; neutralized by them
2271: Achieved a great victory over the Romulans at the Battle of Klach D'kel Brakt
2280s: Part of the team that stopped the Albino from raiding Klingon colonies;
Son was later infected with a genetic virus by the Albino & died
2345: Member of the Oversight Council for the Klingon Defense Forces
2370: Attacked the Albino with Koloth, Kang & Dax, got vengeance for his son’s murder
2370s: Served as the Klingon ambassador to Vulcan
2372: Helped find the Sword of Kahless, set it adrift to protect the empire
2375: Out of favor with Chancellor Gowron, unable to secure his own command;
Got Worf to get him commissioned aboard the IKS Ch'Tang, as 3rd officer
Died battling ten Jem'Hadar ships