Complex sentence: Ma Hu-shan (Ma huzhan) was parent of previous independentist Dungan Leader Ma Chung-ying.himself attempted to organized some independent nation "Tunganistan" with possibly certain Axis Powers support during 1937.
Split into simpler sentences: Ma Hu-shan (Ma huzhan) was parent of previous independentist Dungan Leader Ma Chung-ying. Himself attempted to organized some independent nation "Tunganistan" with possibly certain Axis Powers support during 1937.