Rhaenys is the only daughter of the Queen Alicent and King Viserys, she is married to her older brother Aegon Targaryen, and she is 8 moons pregnant with there child, Alicent will do anything to have Aegon sit on the throne. The Only problem is Aegon is not the only one in love with Rhaenys. (Aegon Targaryen x OC x Aemond Targaryen)