Agariste was the daughter, and possibly the heiress, of the tyrant of Sicyon, Cleisthenes. Her father wanted to marry her to the "best of the Hellenes" and organized a competition whose prize was her hand in marriage. According to his declaration,... Wikipedia
Great grandchildren: Cleisthenes, Pericles, Deinomache, and more
Great-grandparent: Myron of Sicyon
Parents: Cleisthenes of Sicyon
Children: Cleisthenes and Hippocrates