TFA confuses the senior George Leonard Staunton [0], the lieutenant of George Macartney, with his son, George Thomas Staunton [1], the 12-year-old interpreter who is apparently one of two primary subjects of the book under review.
[0] https://en.wikipedia.org/wiki/Sir_George_Staunton,_1st_Baron... [1] https://en.wikipedia.org/wiki/Sir_George_Staunton,_2nd_Baron...