Secret Heirs of Powerful Men Series by Maisey Yates

Sayid al Kadar was trained from childhood to be a warrior. He's fought, he's conquered-but was never meant to rule... Thrust reluctantly to the throne, Sheikh Sayid is shocked to discover a child who is his country's true heir, and he'll do anything to protect him, even if it means taking on the child's aunt!  Chloe James might behave like a tigress protecting her cub, but this trained soldier can see her weak spot... moreSayid al Kadar was trained from childhood to be a warrior. He's fought, he's conquered-but was never meant to rule... Thrust reluctantly to the throne, Sheikh Sayid is shocked to discover a child who is his country's true heir, and he'll do anything to protect him, even if it means taking on the child's aunt!  Chloe James might behave like a tigress protecting her cub, but this trained soldier can see her weak spot. Taking Chloe as his bride would appease the people of his kingdom, and provide the perfect outlet for the blistering chemistry between them.... less

They say that Alik Vasin's heart is carved from the hardest diamond and the coldest ice… Alik is powerful, ruthless and incapable of love. But when he discovers he has a daughter, nothing will stop him from claiming the child as his own. Jada Patel will do whatever it takes to keep little Leena in her life, even if it means a convenient marriage. Though there can never be a future between them, resisting the powerful Alik is impossible... moreThey say that Alik Vasin's heart is carved from the hardest diamond and the coldest ice… Alik is powerful, ruthless and incapable of love. But when he discovers he has a daughter, nothing will stop him from claiming the child as his own. Jada Patel will do whatever it takes to keep little Leena in her life, even if it means a convenient marriage. Though there can never be a future between them, resisting the powerful Alik is impossible. Jada thought she'd known desire, but catapulted into Alik's glittering world, she discovers an all-consuming, intoxicating passion that could melt even the coldest of hearts. less