Becomes intimate with Laurence after he breaks off his engagement. Later promoted to Admiral. Admiral Lenton: Admiral in charge of the covert at Dover. Obversaria was his dragon, until the third book in the series. Captain Berkley: Stationed at Dover. Captain to the Regal Copper, Maximus. Captain Catherine Harcourt: Stationed at Dover. First female dragon-captain Laurence meets. Twenty years old when promoted to Captain. Captain to the Longwing Lily. Captain Harcourt has a brief liaison with Captain Thomas Riley which leads to pregnancy. Catherine is later pressured to marry him for legal and social reasons as Captain Riley's estate is entailed and his mother and female relations will have no source of income if he dies before producing a son. Captain Langford James: Courier. Captain to Volatilus. First dragon-captain to meet Laurence. Gives him a basic introduction to how the Aerial Corps works. Captain Rankin: Abusive Captain to Levitas. Becomes Captain to Caesar in Tongues of Serpents. Captain Thomas Riley: Lieutenant under Captain Laurence on HMS Reliant in His Majesty's Dragon. In Throne of Jade is promoted to captain of HMS Allegiance, a dragon-transport. Family owns slaves in the Caribbean. Is married to, and has a son with, Captain Catherine Harcourt. Demane: A native of the Xhosa tribe (along with his brother Sipho), he leads Laurence to the cure for the draconic flu. He was later assigned to fly with Arkady and his feral dragons as he was fluent in both English and Durzagh languages (in addition to his native Xhosa). He later becomes the unofficial captain of Kulingile, a very large heavyweight dragon. Emily Roland: A member of Captain William Laurence's crew, she was in the first book mistaken for a boy. Daughter of Captain Jane Roland. Hannah Erasmus: Wife of Reverend Erasmus. A former slave, she is a member of the Tswana tribe and returns to Africa with her husband and children. After her husband is slain in an encounter with her native tribe, she is recognized and freed and ultimately elects to stay in Africa. Lieutenant John Granby: Laurence's second-in-command. Served under Captain Portland on Laetificat. Becomes Iskierka's Captain. Prince Yongxing: Son to the Jiaqing Emperor of China. Anti-Western and seeks to bring Temeraire back to China. Schemes to ultimately supplant his younger brother's claim to the Imperial Throne. Companion to the white (albino) dragon Celestial Lien. Reverend Josia Erasmus: A former slave in Jamaica. Joins Temeraire