渤海国
(?
809年～
812年)
大元瑜，是渤海国第七代君主，在位期间809年至812年，大嵩璘的之子，改元为永德。唐朝唐宪宗遣使元文成为大嵩璘吊丧，册封
大元瑜为渤海国王，812年
大元瑜去世，谥号定王。
Da-Yuan Yu, is the seventh generation of the Bohai State monarch, during the reign of 809 to 812, large Song Lin's son, reign title as Yongde. Sending Envoys Tang Emperor Xian Zong Yuan Wen Song Lin condolence to become big, canonized as the Bohai Sea King Tai Yuen Yu, Da-Yuan Yu 812 died, posthumous, Ting Wang.