Hawk Series by Justine Davis, Justine Dare

Revealing himself to his family after his wealthy industrialist father passes away, illegitimate son Jason Hawk begins a fight to claim his inheritance and falls in love with the secretive Kendall Chase.

After he kills her abusive husband, Kate Dixon lies to the authorities to protect the life of gunslinger Joshua Hawk, a man haunted by a prophecy of immortality, in the second western romance in the Hawk trilogy.

The final novel in the dazzling "Hawk" trilogy! Finding herself the head of her clan after a brutal skirmish, a woman who knows nothing of war desperately seeks the aid of a legendary warrior. She never realizes how handsome he could be--or that his father is none other than the leader of her people's mortal enemy.