Vampire king Jeon jungkook get married to Kim taehyung, an omega. Warning; Age gap Mini series Grammar mistakes

(Completed) Jeon jungkook, Jeon taehyung and Jeon Hanaul are brothers, at least everyone knows as it is. jungkook is an alpha, taehyung is an omega and hanaul is also alpha. Every one in the village knows their story as how their parents and pack got killed in the hand of enemy, how they have to hide themselves in a isolated place, as they are just teenagers, how they survived with the little life, their younger brother hanaul, and how they finally reached the village. This is the story jungkook had told to the villagers. In the village everyone is human, there are very few werewolf in their place so they know about them a very little. But they accepted it whole heartedly. But... are they really brothers????. Is it that simple?