The Originals Series Complete Trilogy 3 Books Collection Set by Julie Plec:
The Rise: It's the year 1722. Ever since the siblings Klaus, Elijah, and Rebekah Mikaelson landed on the shores of New Orleans, they have been fighting to claim the city as their own. They are the oldest vampires in the world, trying to share the city with the witches and the werewolves. Enter Vivianne. Raised as a witch, she is betrothed to a werewolf for a union that should bring peace between the witches and the werewolves.
The Loss: It's 1766. The oldest vampires in the world, siblings Klaus, Elijah and Rebekah Mikaelson, have rebuilt New Orleans to great glory. The witches live on the fringes in the bayou and the werewolves have fled. But still, Klaus isn't satisfied. No kingdom is complete without a queen to sit beside the king. Klaus has spent years trying to find a witch who will resurrect his love, Vivianne. When he finally finds a witch powerful enough and willing to perform the spell, happiness suddenly seems within reach.
The Resurrection: As the oldest vampires in the world, Klaus, Elijah and Rebekah Mikaelson are less than thrilled that they must share New Orleans with the werewolves. Klaus decides to build an army to take them out once and for all. He's turning vampires left and right, with Rebekah by his side. The new vampires are killing any werewolf they can get their hands on, but as Klaus's army becomes more powerful, he becomes increasingly blind to the dangers that threaten Elijah and Rebekah.