Zegnak, from the house of Shervashidze

Shervashidze

Shervashidze was a noble family in Abkhazia which, according to later sources, can be traced at least as far back as the twelfth century.Although this is quite clearly a Georgian form , the family is said to have derived from the Shirvanshahs, a dynasty of Shirvan in what is now Azerbaijan...

, or Chachba, was a prince of the Principality of Abkhazia

Principality of Abkhazia

The Principality of Abkhazia emerged as a separate feudal entity in the 15th-16th centuries, amid the civil wars in the Kingdom of Georgia that concluded with the dissolution of the unified Georgian monarchy...

 from circa 1665 to 1700. After Zegnak's death, the Principality of Abkhazia was divided amongst his sons, with his eldest son Rostom Prince of the rump Principality in Bzyb

Bzyb

Bzyb, Bzyp, Bzyph or Bziphi may refer to one of the following things related to Abkhazia:*Bzyb , the historical region of Abkhazia**Bzyb River, the river flowing through it**Bzyb , a village located in this region...

 and the separate duchies of Abzhua and Samurzakhano falling to his other sons Jikeshia and Kvapu.