My surname is Bao, Manchu, and my native place is Acheng, Heilongjiang. What is the old surname of Manchu? What flag is it?

Benxi Manchu Bao surname has two families.

One is the Borzijit nationality in Zhenghuang Banner, Mongolia, whose ancestors came from Onniute, Mongolia. Dourgen was incorporated into the Eight Banners in the early Qing Dynasty, and then gradually merged into the Manchu Dynasty. In the twenty-fourth year of Emperor Kangxi of Qing Dynasty, he was transferred from Shenyang to Benxi, and later his descendants settled in Benxi.

The other is Eight Banners Chen, whose real name is Bao. His ancestors crossed the sea with Kong Youde from Shandong to Liaodong in the early Qing Dynasty and defected to Nurhachi. It was first compiled in Eight Banners Manchuria. During the Chongde period, it was divided into the Huangqi Han Army, and then gradually merged into the Manchu Dynasty. During Kangxi period, he moved from Shenyang to Benxi.