The twins are named Yin and Jia.

Can be named: Yin Jiayao, Yin Jia, which means Excellence, beauty and praise. Yao. Shen Quan is a beautiful jade. )

Yin Jiahua and Yin Jiashi (flowers, actually taken from Chunhua Qiushi) mean to blossom in spring and bear fruit in autumn. )

Yin Jiayi, Yin (talent, art, from "versatile", meaning artistic talent. )

Yin Jiahui, Yin Jiajie (Hui, meaning smart, witty and wise. Jay means superior and brilliant.

For reference.