The Klingon Imperial Family are direct descendants of Kahless the Unforgettable. Those who are born into the Imperial Family are "of the blood", meant to rule by the divine will of Kahless.
The original Imperial Family were put to death at the end of the second Dynasty. A new group of Klingons were given their names and titles ten years later when the Third Dynasty was founded in order to create the illusion of an unbroken line. (DS9: "You Are Cordially Invited")
The House of Kor, led by Kor, son of Rynar, aswell as the House of Mogh, were descended of the Imperial Family. (DS9: "Once More Unto the Breach").
Members of the Imperial Family
- Kahless the Unforgettable, founder of the Klingon Empire (TOS: "The Savage Curtain")
- Morath, brother of Kahless (TNG: "Firstborn")
- Reclaw, last emperor of the Second Dynasty (DS9: "You Are Cordially Invited")
- Shenara, daughter of the first Emperor Reclaw (DS9: "You Are Cordially Invited")
- Reclaw (the second), first emperor of the Third Dynasty (not descended from Kahless) (DS9: "You Are Cordially Invited")
- Shenara (the second), took on the role of the original Shenara (DS9: "You Are Cordially Invited")
- Sompek, emperor famous for the conquest of Tong Vey (DS9: "Rules of Engagement")
- Mur'Eq, emperor who introduced the use of blunted Bat'leths for practice (VOY: "Prophecy")
- Kahless (the second), a clone of the original Kahless, and ceremonial emperor (TNG: "Rightful Heir")
Descendants of the Imperial Family
House of Kor
- Rynar, father of Kor (DS9: "Once More Unto the Breach")
- Kor, famous Dahar master (TOS: "Errand of Mercy")
House of Mogh
- Worf, famed arbiter and military Colonel (Star Trek VI: The Undiscovered Country)
- Mogh, hero of Khitomer (TNG: "A Matter Of Honor")
- Worf, first Klingon Starfleet officer, later joined the House of Martok (TNG: "Encounter at Farpoint")
- Alexander Rozhenko, son of Worf and a bekk in the Defense Force (TNG: "Reunion", DS9: "Sons and Daughters")
- Kurn, a Commander in the Defense Force (TNG: "A Matter Of Honor")
- Worf, first Klingon Starfleet officer, later joined the House of Martok (TNG: "Encounter at Farpoint")
- Mogh, hero of Khitomer (TNG: "A Matter Of Honor")
Others
- Linkasa, father of Sirella and descendant of the Third Dynasty (DS9: "You Are Cordially Invited")
- Sirella, mistress of the House of Martok (DS9: "You Are Cordially Invited")
- Drex, son of Sirella and Chancellor Martok (DS9: "The Way of the Warrior")
- Sirella, mistress of the House of Martok (DS9: "You Are Cordially Invited")