Yongyan (Jiaqing Emperor) - 13 November 1760 Emperor Chinese The Jiaqing Emperor was the ruler of China in 1806, when the Chinese Embassy to England brought back Temeraire with William Laurence and his crew of aviators. The emperor's companion dragon was Temeraire's uncle, a male Celestial (possibly Lung Tien Chu). http://www.temeraire.org/wiki/Jiaqing_Emperor
His Majesty's Dragon, p. 34 "That man who brought me the shark is in the water," Temeraire said presently, and Laurence followed his line of sight; through the nearly solid mass of rain he could see a blur of red-and-white shirt some six points abaft the larboard beam, and something like an arm waving: Gordon, one of the hands who had been helping with the fishing. [...] "He is too far from those ropes," Temeraire said. "I will go and get him."