What was the name of great-grandfather's father?

His great-great-grandfather's great-great-grandfather.

The great-great-grandfather was also known as the great-great-grandfather-king, great-great-grandfather-great-grandfather.

Great-great-grandfather was addressed as distant ancestor, and founder.

His great-great-grandfather's high exhortation is called distant ancestor.

His great-great-grandfather's father was called the Heavenly Ancestor.

His great-great-grandfather's father was called the Heavenly Ancestor.

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.

His great-grandfather's father called him Tianzu. According to the explanation of Er Ya, the father of Gaozu was called Tianzu.

His father was called the Heavenly Ancestor. Gaozu's father was called the Heavenly Ancestor. According to the records in Er Ya, the one who gave birth to him was his parents, the father of his father was his grandfather, the father of his grandfather was his great-grandfather, the father of his great-grandfather was his great-grandfather, and the father of his great-grandfather was his great-grandfather. Thus, the title of the great-great-grandfather's father was Heavenly Ancestor.

Father and grandfather were called father and grandfather. His father's father was called his grandfather.