Colin Antigonus was the Grave Owner's name. He had lived before the Twenty Year War, approximately eight to nine hundred years ago.
By Colin's time, after several generations of effort, his family had become viscounts of the Loen Kingdom.
Viscounts of that era had fiefs, subjects, and even armies of their own. They were practically local emperors in their respective regions.
Thus, Colin had the time and energy to organize the knowledge mentioned in the family records, as well as investigate the origins of his family.
The knowledge covered in the "notes" was highly advanced for other Beyonders, but Hobart was basically familiar with all of it. Even if he was not, a single glance was enough for him to understand the principles involved.
Hobart actually knew more than Colin about the origins of the Antigonus Family, because Colin's records began in the Fourth Epoch.
By then, the Antigonus Family had already begun supporting the Blood Emperor, and it was during that period that Antigonus had some descendants.
After the Blood Emperor fell and Antigonus vanished without a trace, the family members scattered and concealed themselves across the countries of the Northern Continent.
Colin's branch had concealed their identities and genuinely helped the Loen Royal Family resolve several problems, thereby becoming nobles once more.
The final section of the "notes" recorded the Beyonder history of Colin's branch, and several passages caught Hobart's interest.
One passage stated that during Colin's ancestors' generation, there had still been three demigods. They seemed to frequently hear the ravings of their ancestor.
Thus, they believed that their ancestor, Antigonus, was still alive, though they did not know where he had been sealed.
One of Colin's demigod ancestors went in search of the legendary Country of Night. It was said that their ancestor had come from