Haven Age: 1-311 A.F.
After the fall of Esol, and exile from Paradise, God established a twelve-pointed boundary to protect His people until they were strong enough to venture out into a cursed world. He set twelve stones inside scepters standing at points along the terrain, each with unique powers to defend them from the evil that learned to possess many forms of life, including plant and animal.

Esol and Ani had 25 children, 12 boys and 13 girls, leaving the youngest daughter as a source of confusion over why she was born without a counterpart. In fulfillment of prophecy, the oldest son Tanith discovered his power at the age of 25 (26 A.F.). He awoke in the middle of the night after a dream told him to go to the yellow scepter and pray. After praying through the night, he suddenly knew that Harok, second oldest son, had plans to kill him. Tanith used that gift of knowledge to stop Harok in the act later that morning.

A few days after that, Tanith received a prophecy that told him to bring Inix, the third oldest son, to the pink scepter and to begin praying and fasting. After two full nights of fasting and prayer, Tanith told Inix to take the scepter and run to the north of their boundary.

When they arrived, the valley outside their wall was swarming with animals charging at full steam. Tanith ordered Inix to the top of the wall and to raise his scepter high till all the animals were dead. Inix raised his scepter and a pink wave filled the valley, knocking the animals back like the breath of a hurricane.

Tanith then called Kaitu, the youngest son, who already had been praying. Kaitu took the white scepter, which had been ordered by God to be placed at this location of the boundary, and raised it high. A white light blinded the entire kingdom, sending the evil spirits which rose from the dead animals back to the Abyss.

God told Tanith to tell the people that many enemies have been building strength in numbers since their kingdom was established, and now that they are experiencing these powers the enemies will attack. The rest of the sons were told to pray for their gifts to be revealed, though Harok was foretold he would not receive a power as punishment for his attempted murder.

As the years passed, the children married and gradually the sons discovered their powers. Tanith received prophecy that told them to marry the sister who was born directly after them. Three of the brothers disobeyed this command and took their wrong sisters to bed. With the eldest daughter Celise already wed to Tanith, Harok took Belinra, who was to be Inix’s wife. Seeing their older brother get away with this act, Vestoon and Feder followed suit, choosing Gwendilla and Sohdee respectively. This led to a bitter rivalry among the brothers, as well as the sisters who were rejected by their appointed mates.

For three hundred years Tanith led his people to use their gifts to protect and expand their territory until the last power was discovered. Harok’s third son, Multh, developed the gift for his family and Harok pretended to be alright with that, as long as he was still the head of their tribe.

With all the scepters appointed to a family/tribe, Olemsoon uses his power of vision to chart the twelve continents. After the map is completed, Tanith appoints a continent to each tribe, while keeping a select group from each tribe to stay on Tanithari and act as a council for trade and representation in the new form of world government. The shipping out of the tribes to their new territories marks the end of the Haven Age and the beginning of the Exploration Age. The thirteenth daughter, Ily, decides to stay on Tanithari and marry Tanith’s eldest son, Colin. This was a huge deal, with Harok believing his son Multh should have been her husband in order to restore honor to his family. Her selection of joining the Yelen family only widened the rift between the two sides.

As I posed elsewhere, I think your history is very well-developed. It's interesting and logical.