Who is Duan Zhengqu's sister?

Duan Yingzhen. As the youngest member of the Duan Zhengqu family, Duan Yingzhen loved art all his life and was versatile. He was proficient in poetry, calligraphy, painting, piano and chess, and published some poems, which were deeply loved by people. Duan Zhengqu (1958-) was born in Yanshi, Henan. He is a member of China Artists Association. 1977 was admitted to Henan Opera School, 1977- 1979 studied stage art in Henan Art School.