Is “River pirate origin and pacification of Jiangdong” true?

based on fact

Records of the Three Kingdoms, Book of Wu, Biography of Jiang Qin records that he led his followers to join Sun Ce early on as a clerk, known for integrity and frugality; Romance of the Three Kingdoms fictionalizes him and Zhou Tai as river pirates who robbed for wealth.

Jiang Qin

In official history, he is a Wu general known for integrity and frugality, while the novel fictionalizes his origin as a river pirate along with Zhou Tai.