Maekar Targaryen was the father of Danae Targaryen and Aeslyn Targaryen. He was the brother-husband to Naerys Targaryen and the son of Elaena Targaryen and Daemon Targaryen. He controlled the dragon Persion until his death. After his death the dragon's ownership passed to Danae.
"A dragon does not conern herself with the opinon of lions." - Maekar Targareyn to his daughters Danae and Aeslyn.