Crown of Tolem Series by Helen C. Johannes

Lady Raell can fight, ride, and argue politics as well as her brothers. Only being mistress of her father's household keeps her in skirts. In Naed, the new Lord of Druemarwin, she has found devotion, a kindred spirit, and a marriage promise. But when a forgotten and unwanted betrothal comes to light, she has no choice but to run. Amidst sweeping revolution, Naed must rally his people, fend off assassination attempts, and fight against claims he's a traitor... moreLady Raell can fight, ride, and argue politics as well as her brothers. Only being mistress of her father's household keeps her in skirts. In Naed, the new Lord of Druemarwin, she has found devotion, a kindred spirit, and a marriage promise. But when a forgotten and unwanted betrothal comes to light, she has no choice but to run. Amidst sweeping revolution, Naed must rally his people, fend off assassination attempts, and fight against claims he's a traitor. Then he discovers everything about his lineage and family is a lie. And his beloved belongs to another. With lives and a kingdom at stake, Raell and Naed must find a way to protect the innocent and save their love. less