高僧傳 1.20

1.20

At that time there was also a foreign śramaṇa, Saṅghavarman (Kang Sengkai), who likewise arrived in Luoyang at the end of the Jiaping reign and translated four scriptures, including the Ugraparipṛcchā. There was also the śramaṇa Dharmasatya (Dandi) of the Arsacid Empire, who was also skilled in the study of vinaya; during the Zhengyuan reign of the Wei, he traveled to Luoyang and produced the Dharmaguptaka-karmavācanā. There was also the śramaṇa Bo Yan, of unknown origin, who was also talented, brilliant, and possessed deep understanding; during the Ganlu reign of the Wei, he translated six scriptures in all, including the Wuliang qingjing pingdengjue jing. Later, it is unknown where he ended his days.