The twins with the surname Wei are born with the character Yu in the middle.

Baby boy:

Wei Yuwei, Wei Yuli, Wei Yuye, Wei Yuzong, Wei Yuwei, Wei Yuyi, Wei Yuqi, Wei Yuchen, Wei Yujia, Wei Yuhong, Wei Yuying, Wei Yuhe

Baby girl:

Wei Yuling, Wei Yuye, Wei Yuqian, Wei Yurou, Wei Yuyi, Wei Yuyu, Wei Yuyun, Wei Yushu, Wei Yuxin, Wei Yuli, Wei Yuyu, Wei Yuqiao