南詔
(?
897年～
909年)
鄭買嗣，大長和國建立者，漢人鄭回七世孫，鄭氏世襲南詔清平官。897年，他指使南詔蒙氏之近臣楊登，殺死南詔皇帝隆舜。902年，隆舜之子舜化貞死後，又殺死舜化貞八個月的兒子及蒙氏親族800餘人，蒙氏南詔滅亡。
鄭買嗣建立大長和國，自稱皇帝，909年卒，廟號聖祖，謚號聖明文武威德桓皇帝。其子鄭仁旻嗣位。
Si Cheng buy large length and country builders, Han Zheng back 7 generation descendant, Cheng Nan Zhao Qingping hereditary official. 897, he ordered the Elegance Nanzhao Montessori Yang Teng, killing Nanzhao Emperor Shun Long. 902 years of Long Chen Shun Shun's son's death, they killed the son of Shun eight months of Chen's relatives and more than 800 Mongolia, Mongolia's Nanzhao perish. Si Cheng buy a Greater length and country, claiming to be emperor, 909 years and death, the posthumous names of patriarchs, posthumous title of Majesty Emperor Huan Chiang Wade. His son Zheng Renmin Siwei.