吐𠔌渾
(?
329年～
351年)
葉延，（？－351年），為4－6世紀建立之吐𠔌渾統治者之一，他為吐延兒子。西晉鹹和四年(329年)，吐延被羌族酋長薑聰刺死，臨死時囑咐長子
葉延保衛白蘭。及後，
葉延繼位，在沙洲建立慕剋川總部，並以吐延為氏，以吐𠔌渾為姓、族姓及國號。在位期間為329年-351年。
Ye Yan, (? -351), The 4-6 century, one of the Tuyuhun rulers, he extended his son spit. Western Jin Ham and four years (329 years), were spit Yan Qiang Jiang Cong chief stabbed to death, dying when asked to defend a long delay cotyledon Prynne. Later, leaf extension to the throne, the establishment of Mu Kechuan headquarters in shoals, and to spit extension of the clan to Tuyuhun surname, clan names and the country. During the reign of 329 years -351 years.