If the word "an" belongs to the family tree, there is no way to bring it. If it is not a family tree, there is no need to use the word "An". It's not a good idea to name the girl Ann. Jiang Anyue is happy, and happiness is definitely not appropriate. Easy nature is redundant. After all, they are twins and should echo each other.
Jiang Jiang Meixi Jiang Yiruo Jiang Yimeng Jiang Jiang Yimeng
Jiang Anbing Jiang Anqing Jiang Anyu Jiang Anjie Jiang Anyue Jiang Anxi Jiang Anyi Jiang Anqing