吐谷浑  (?329年～351年)

开端 终结 在位 329年 351年 

　　叶延，（？－351年），为4－6世纪建立之吐谷浑统治者之一，他为吐延儿子。西晋咸和四年(329年)，吐延被羌族酋长姜聪刺死，临死时嘱咐长子叶延保卫白兰。及后，叶延继位，在沙洲建立慕克川总部，并以吐延为氏，以吐谷浑为姓、族姓及国号。在位期间为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.