These Sogdians devised the Göktürk Runes to write the Turkic language, for translations of the sutras to Turkic, notably the Nirvana Sutra in 575. Succession Taspar's death created a dynastic crisis in the khaganate. His Chinese wife Qianjin survived him, but Taspar bequeathed the throne of the Empire to Talopien, the son of his elder brother Muqan Qaghan. His bequest ran contrary to the traditional system of inheritance which demanded the throne to be passed to the son of the eldest brother, in this case Ishbara Qaghan. The council rejected the legality of Taspar's will stating his mother's non-Turkic origin. Thus appointed Amrak as the next khagan. Talopien's faction did not recognize Amrak. This crisis ultimately resulted in the civil war of 581-603, which greatly weakened the state. Family He had at least two issues: Amrak Khagan Tughrul shad Qilibi Khagan References Göktürk khagans 6th-century monarchs in Asia Converts to Buddhism Converts to Buddhism from Islam Turkic Buddhists 581 deaths Ashina house of the Turkic Empire 6th-century Turkic people Year of birth unknown Turkic Buddhist monarchs