Tous founded with his camp the settlement of the later city of Sanandaj[2] which became the Zarrin Kafsh tribe's fief, and then capital of the Kurdish Ardalan principality and finally of the Iranian province of Kurdistan.
[2] Until the first half of the 20th century the men and women of this tribe continue to wear shoes with golden silk brocade (golâbtun), symbole of royalty in ancient Persia.
Gotarzes' own rule was attacked by another Arsacid prince called Meherdates, son of Vonones I (r. 8–11) and grandson of Phraates IV (r. 37–2 BC), who became rival-king as Mithridates (VI) (r. 49–50).
And according to Roman, Armenian and Arabian historians the Karenas descended from the Arsacid royal stock, to be more precise from Arshavir, better known as Great King Phraates IV.
The first one, known under this name was Arshavir's son Karen-Pahlav (Arabian: Qaren al-falhawi; Persian: Qaren-e Pahlavi), meaning literally “Karen the Parthian”.
[13] While the clan of Suren were "arch-marshalls" responsible for the army commando, under the Sassanians the Karenas now were well known by name and hold the office of “arch-treasurers” in charge of the empire's finances.
Sokhra Zarmehr was son of Veshapur II Karen-Pahlav and born in Shiraz, where his family resided, he became “margrave” (marzbān) of Sakastan which is today's Sistan.
Zarmehr (537–558) reinstated King Kavadh in 598, and he and his brother fought in the battle against the White Huns (Hephthalites) and supported and aided Khosrau I known as Anushirvan (r. 531–579).
Buzurjmehr chose Gustaham ben Ashak-e Zarrin Kafsh, a renowned Sassanid commander, eminent in that assembly of warriors, and had the Emperor confer upon him a robe of honor.
Gustaham was sent at the head of twelve thousand fierce and sanguine troops, with a retinue of very many valiant lords and ferocious and lionhearted veterans, for the correction and chastisement of Bahram, with strict orders to exact also from Bahram an offering in the way of a fine, in addition to the four years’ tribute due in arrears, and in the event of the least show of resistance, to inflict a humiliating defeat upon him, and bring him to Ctesiphon chained and fettered.
[19][20] In Sassanid time some mounted generals (savaran) of the Persian army had golden shoes as symbol of their social rank and to distinguish from ordinary soldiers.
Following the total defeat of the Sassanians by the Muslim Arabs at the Battle of Nihavand 642 AD and the conquest of the north-western part of the Persian province of Media with today's Kurdistan, his family pledged allegiance to the Caliphate and could still secure some of their domains.
S. Blair wrote that Abu al-Fawaris was a local notable in charge of accounts when the Seljuqs ruled Iran and in the 1090s he was that person who supervised the building work of Shiite tombs built by Majd ol-Molk in the city of Rayy.
Finally when Hassanabad was fully destroyed by Ottoman forces in 1636 they chose Senneh (Sanandaj) as their capital, the original domain of the Zarrin Kafsh tribe.