The big secret
Stiles Mikaelson fell in love with Katerina Pertrova and they had a child when she was 16, but it was taken away from her. They ran of together to England where they met up with the other Mikaelsons who were not only angry at Stiles for running away after Klaus had daggered Kol again, but needed Katerina to unlock Klaus as a Hybrid. So Klaus murdered katerina's whole family. Stiles was dagered and woke up 5 years later, being told that Klaus murdered Katerina. They met up again in 1915 and spend their time together until Klaus found out and de-aged Stiles. Stiles grew up in Beacon Hills with the Sheriff and Claudia who had adopted him since Claudia was a witch. Katherine went to Newyork and was in a long distance relationship as they couldn't arouse suspicion by being together. When Katherine faked her death and pretended the cure was affecting her, she ran back to Beacon Hills were the two had started the Hale pack and built that town in 1920. She poses as a family friend of Stiles that's new to town, will the pack find out their secret?