Yes, great-great-grandfather was great-great-grandfather's father, which meant that he was great-grandfather's grandfather.
His grandfather's grandfather was his great-great-grandfather. In the family's generation relationship, starting from the person himself, the order was father, grandfather (grandfather), great-grandfather, and great-great-grandfather. Therefore, the grandfather of the grandfather was the great-great-grandfather.
Grandpa's father is great-grandfather, and grandpa's grandfather is great-great-grandfather.
In the traditional China family hierarchy, grandfather was the father of father, great-grandfather was the father of grandfather, and great-great-grandfather was the father of great-grandfather. In the common family hierarchy, there was no such standard address as " great-grandfather." If one were to infer according to the logic of family seniority, great-grandfather might be an ancestor who was one generation higher than great-great-grandfather, but this was not the traditional family seniority title.
Great-grandfather, great-grandfather, and great-grandfather were the Chinese names for family members. According to the information provided, his great-grandfather was the third generation, and his great-grandfather was the fourth generation. However, there was no clear explanation regarding the Mystic Ancestor in the information provided. Thus, it was impossible to determine the seniority of the Mystic Ancestor.
According to the 18 generations of ancestors, Grandfather Lie was the great-great-grandfather of his Heavenly Grandfather. However, he did not find any information about the specific address of this relationship, so he could not accurately answer the specific address of his grandfather's grandfather.
His great-great-grandfather's great-great-grandfather.
His father's grandfather was called great-great-grandfather, or great-grandfather.
Grandfather was grandfather, grandfather was father's father, and maternal grandfather was mother's father.
His great-great-grandfather and his great-great-grandfather were brothers.
The common name for great-great-grandfather was great-great-grandfather.