Eight generations of ancestors refer to our ancestors who trace back eight generations. In the traditional culture of China, the eight generations of ancestors is a very important concept, because it represents the inheritance of our family and the continuation of blood. Eight generations of ancestors refer to the upper four generations and the lower four generations (great-grandfather, great-grandfather, father and son, grandson, great-grandson and great-grandson). Refers to the floorboard of one's immediate family, that is, the owner of immediate family. So eight generations of ancestors refers to our ancestors who trace back to eight generations.