Khaleesi Daenerys Targaryen with her Khalasar.. Drogo , a powerful Dothraki khal and feared warrior meets Daenerys , the future "Mother of Dragons". Their union was an arrangement by Illyiro Mopatis and Daenerys's brother,Viserys Targaryen , who hoped to use Drogo's Dothraki horde to win back the Iron Throne.