He might have had the power of super speed. This would allow him to move from one place to another in an instant, which would be useful for hunting or escaping danger.
A fanfiction like 'Bella's Great - Grandfather: The Vampire Ancestor' could be a great read. This could detail the history of her great - grandfather as a vampire. It might talk about his life before Bella was born, the people he met, the adventures he had, and how his vampire nature was passed down in the family, if at all. It could also explore how this knowledge affects Bella's relationships with the Cullens and other vampires in the 'Twilight' universe.
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-great-grandfather's great-great-grandfather.
His great-great-grandfather and his great-great-grandfather were brothers.
The common name for great-great-grandfather was great-great-grandfather.
His great-great-grandfather was his grandfather's father, which meant that he was his great-grandfather.
One possible plot could be that Bella discovers her great grandfather's vampire nature through old family diaries or stories passed down. This knowledge could then put her in danger as there might be other vampires or vampire hunters who don't want the secret out.
Liang Sishen's grandfather was an old Shanghai capitalist. He had been in the business world for many years and had accumulated a huge amount of wealth. In " The Great River ", he was portrayed as a strong and powerful character with extraordinary wisdom and vision. He debated and taught Liang Sishen, saw through Song Yunhui at a glance, and spoke bluntly to Lei Dongbao. Grandpa Liang passed away in the fourth season, revealing his huge assets. Surprisingly, he had billions of assets, enough to enter the top ten in the country. In the end, it was reasonable for Liang Sishen to cooperate with him in the stock market. Grandpa Liang's wealth was indeed astounding at that time. He gave all his inheritance to Liang Sishen and not Song Yunhui because he thought Liang Sishen was his biological nephew. Moreover, he saw Song Yunhui's ambition and did not want him to lie to Liang Sishen. This inheritance gave Song Yunhui a huge benefit, but it also made him have to treat Liang Sishen well. Grandpa Liang's decision was a scheme against Song Yunhui. All in all, Liang Sishen's grandfather was a very capable and influential person.
Great-great-grandfather was addressed as distant ancestor, and founder.
The great-great-grandfather was also known as the great-great-grandfather-king, great-great-grandfather-great-grandfather.