Third Dynasty (Klingon)
The Klingon Third Dynasty was a period in Klingon history that was founded following what was known as "The Dark Time". 

Because the true Imperial bloodlines were cut at the end of the Second Dynasty, a new group of Klingons were given the titles and names of the original Imperial Family in order to create the illusion of an unbroken line. Among the members of the third dynasty were replacements for  and Shenara. ()

External link 
 

de:3. Dynastie (Klingonisches Reich)
Qo'noS
Historical eras