What is the relationship between Dou Benji and Du Benwei?

They are all Mongolian. Dou Benji Mongolian, 1947 Qiushi, descended from Du Zongshi. 1970 graduated from Lu Xun Art College, owner of Jiguge Ink Drinking Hall in Liulichang, disciple of Master Xu Beihong, proté gé of Mr. Chen Mo, member of China Artists Association and Calligraphers Association, director of China Calligraphers Association, member of the expert group of China Calligraphers Art Appraisal Committee, and served as the chief judge of the National Calligraphy and Painting Exhibition Competition for many times. Good at Chinese painting, calligraphy and seal cutting, familiar with poetry. He is a comprehensive artist who combines poetry, calligraphy, painting and printing. Du Benwei, male, Mongolian, 1958+0 was born in June,/kloc-0 joined the work in July, 976, and/kloc-0 joined the China * * * production party in June, 987, with a postgraduate degree and a professor. Former Party Secretary of Dongbei University of Finance and Economics.