Who is Bentley and William's mother?

Bentley and William's mother is Mimi. Bentley and William's father, Sam, is Australian, and their mother, Zheng Youmei, is Korean. She used to own a coffee shop. After having a baby, she concentrated on taking care of the baby at home. Brother William, male, was born in North Korea on July 20 16 12, with Chinese name Zheng.