Fan Jian's own son was his eldest son, but when he was protecting Ye Qingmei's son, Fan Xian, Fan Jian had no choice but to use his own son to replace Fan Xian's identity. As a result, his own son was killed in his swaddling clothes.
Fan Jian was the Qing Emperor's adopted son, not his biological son.
Fan Jian was the son of the Qing Emperor and Ye Qingmei.
Fan Jian's eldest son had been replaced by Fan Jian. In reality, it was Ye Qingmei and the Qing Emperor's son, Fan Xian. In order to protect Ye Qingmei's child, Fan Jian had his own son die in Fan Xian's place.
Fan Jian's eldest son had been replaced by Fan Jian. In reality, it was Ye Qingmei and the Qing Emperor's son, Fan Xian. In order to protect Ye Qingmei's child, Fan Jian had his own son die in Fan Xian's place.
Fan Jian's biological son was not explicitly mentioned in Joy of Life.
Fan Jian's biological son was killed in Joy of Life. In order to protect Ye Qingmei's son, Fan Xian, Fan Jian sacrificed his own son and switched him with Fan Xian. In this way, he could fool the imperial relatives and Qin Ye who had murdered Ye Qingmei in Jingdou. The specific identity and name of Fan Jian's biological son were not mentioned in the search results provided.
Fan Jian had two sons. One was Fan Xian, and the other was Fan Sizhe. Fan Xian was the son of the Qing Emperor and Ye Qingmei, while Fan Sizhe was Fan Jian's biological son. In order to protect Fan Xian, Fan Jian had sacrificed his own son and swapped Fan Xian for his own son. Fan Jian treated Fan Xian like his own son, and Fan Sizhe was Fan Jian's biological son. In the play, he displayed his talent as a merchant. Therefore, Fan Jian's son was Fan Sizhe.