Fan Jian's first wife was Liu Ruyu.
Fan Jian's first wife was Fan Ruoruo's biological mother.
Fan Jian's wife was Fan Ruoruo's mother. Before Fan Jian married Liu Ruyu, he already had a wife, Fan Ruoruo's mother. Fan Jian's ex-wife died early because of Fan Xian, causing Fan Jian to sink into guilt and pain. Liu Ruyu's arrival was supposed to be a chance to replace his ex-wife, but because of Fan Jian's inner struggle, she had never been promoted to the main wife. Therefore, Fan Ruoruo's mother was Fan Jian's wife.
Fan Jian's first wife did not reveal her clan or name in the novel or television series, but she was Fan Ruoruo's biological mother. She passed away not long after Fan Jian's eldest son died in place of Fan Xian. Fan Jian had always retained the position of the first wife. Even though Liu Ruyu's mother's family had a high status, a Duke had appeared in the family, and she had given birth to Fan Xian's only son, Liu Ruyu had the right timing, the right place, and the right people, and also met all the conditions at the time to be the first wife, Fan Jian had always kept the position of first wife for the first wife.
In the novel "Celebrating Years", the name of Fan Jian's wife was not clearly stated.