The Sherdana Royals Series by Cat Schield

A prince's surprise twins may turn his royal marriage into something more…  Prince Gabriel Alessandro's top priority is continuing the family line, and he's found the perfect bride-to-be in Lady Olivia Darcy. While their royal marriage is not based on love, he desires her. Making a baby together will be pure pleasure. Then Gabriel learns he is already a father…to twins... moreA prince's surprise twins may turn his royal marriage into something more…  Prince Gabriel Alessandro's top priority is continuing the family line, and he's found the perfect bride-to-be in Lady Olivia Darcy. While their royal marriage is not based on love, he desires her. Making a baby together will be pure pleasure. Then Gabriel learns he is already a father…to twins.  Olivia surprises Gabriel with her acceptance of his motherless girls, making him believe their loveless union could blossom into something more. But Olivia's agreement conceals a devastating secret. In danger of losing the dynasty he so desires, will he risk choosing love over duty? less

An heir to the throne gets an heir of his own… Chasing the man who broke her heart halfway around the world to tell him she's pregnant is the hardest thing Brooke Davis has ever had to do. But when she catches up with him, he's got a surprise for her, too: he's been hiding his royal roots... moreAn heir to the throne gets an heir of his own… Chasing the man who broke her heart halfway around the world to tell him she's pregnant is the hardest thing Brooke Davis has ever had to do. But when she catches up with him, he's got a surprise for her, too: he's been hiding his royal roots. Nic Alessandro is a prince, and Brooke's an unsuitable match—but their attraction is hotter than ever! What will happen when royal duty and desire collide? Maybe Nic will have to take Brooke home to Sherdana and find out… less

The prince must produce an heir. Little does he know, he already has…  Christian Alessandro lives life in the fast lane. But royal duty calls, and the bachelor prince must settle down and sire the future king of Sherdana. That's when a chance encounter with former flame Noelle Dubone yields a bombshell discovery: Christian's already a father! Marrying Noelle will make his boy the legitimate heir. It's a rocky reunion... moreThe prince must produce an heir. Little does he know, he already has…  Christian Alessandro lives life in the fast lane. But royal duty calls, and the bachelor prince must settle down and sire the future king of Sherdana. That's when a chance encounter with former flame Noelle Dubone yields a bombshell discovery: Christian's already a father! Marrying Noelle will make his boy the legitimate heir. It's a rocky reunion. The determined dressmaker refuses to fall in love—or in bed!—with Christian again, even as old, intense feelings return with a vengeance. But what the prince wants, the prince gets… less