[2] The couple's subsequent life was marred by a civil strife, attacks by the Lezgians, and invasions from the Ottoman Empire and Persia.
When Nader again summoned Teimuraz to his camp at Derbend in 1741, Tamar accompanied her husband, at the shah's request, as a proof of loyalty.
Teimuraz succeeded in securing the shah's support for his dynastic ambitions in both Kartli and Kakheti, but this also invited a rebellion led by Prince Givi Amilakhvari.
After three years of inconclusive fighting, the rebels were eventually defeated by Teimuraz, and Tamar in person accepted the courteous surrender of Amilakhvari in Surami in 1745.
[4] From 1744 until her death in 1746, Tamar was a co-regnant with her husband in Kartli, while their son, Heraclius, began his lengthy reign in Kakheti.