Who was Huang Xuan's great-grandfather?

Huang Wenzhong (1890— 1946) was born in Lintao, Gansu. Huang Wenzhong is a versatile man, known as a gifted scholar, who has high attainments in poetry, couplets and calligraphy. During his stay in Hangzhou West Lake, he offended the Gansu authorities and ran away from home. He wrote many books and couplets, and his calligraphy is excellent, which is still popular today. From 65438 to 0935, Professor Yang from Hubei visited Hangzhou and lived with him on the first floor. He is very close to him and appreciates his literary talent and calligraphy very much. He transcribed the whole work, compiled it into Huang Wenzhong's "West Lake Talking about Iron Collection", published it in Shanghai and spread it all over the country. Huang Wenzhong's "West Lake Scenic Spot" plaque and the famous overlapping couplet "Xiu Xiu is full of mountains and rivers; It's always wonderful when it rains on sunny days, and it's famous all over the country.