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|Billets:||Loch Laggan covert, bellman to Temeraire|
Therrows, one of Temeraire's bellmen, was one of the ten crew members chosen to accompany Temeraire and Laurence to Peking, along with Granby, Keynes, Riggs, Dunne, Hackley, Blythe, Martin, Willoughby and Digby. (Emily Roland and Peter Dyer also went, on George Staunton's advice. As they were children, they were not counted against the limit of ten set by Prince Yongxing.)
During the attack by a hunhun gang on the Peking residence where the British were staying, Therrows had his kneecap broken, possibly by a gang member who had studied Shaolin Quan.