Married to my enemy

*Just a heads up, this story is a mix of three different love stories with three different pov's* There are 7 Supernatural clans. Werewolves, Vampires, Angels, Demons, Sirens, Warlocks/Witches, and Humans. To avoid a disastrous war between the clans, the heirs of the supernatural clans must unite through marriage. Will the clans be able to unite? Or will the clans fall into an all out war?