There is no detailed information about their parents on the Internet. In an interview with Sina, it was mentioned that the parents of the two sisters used to be university teachers and later worked in the education system.

1. Ma Donghan is a 2008 undergraduate in Class 8 1, Department of Precision Instruments, Tsinghua University. 20 1 1 won the special scholarship for undergraduates in Tsinghua University. She has won many scholarships and the title of "excellent individual", and is the first female president of the student union of the Department of Precision Instruments in recent years. Three-year credits are the first in the class, and quality evaluation is the first for two consecutive years. He has served as the captain of Beijing No.1 Table Tennis Team, Volleyball Team and Badminton Team. His twin sister Ma Dongxin is also studying in Tsinghua University. 20 12 10 the video of her defense in the selection of special scholarships attracted the attention of the internet and was dubbed "Tsinghua Xueba".

2. Ma Donghan is the first female student union president of Seiki Department in recent years, which has put her under great pressure and brought her the most unforgettable memories. She likes playing table tennis. She found that many students in the Fine Arts Department loved the sport as much as she did, but they didn't form a team. As the president of the student union, she recruited talents and formed a table tennis team of the Fine Arts Department, which is still concerned and cultivated.

3. Ma Donghan works as a class committee every year, but his mentality is different. Freshman was the only social worker at that time as a propaganda committee member, hoping to get exercise in the process of being a class committee member. So I had a good time and got exercise, which laid the foundation for later work in the student union.

References:

Baidu Encyclopedia "Ma Donghan" webpage link