(Ἡρακλείδης), the name of several ancient Greek physicians.

1. The sixteenth in descent from Aesculapius, the son of Hippocrates I., who lived probably in the fifth century B. C. He married Phaeniarete, or, according to others, Praxithea, by whom he had tvo sons, Sosander and Hippocrates II., the most famous of that name. (Jo. Tzetzes, Chil. vii. Hist. 155, in Fabric. Bibl. Graec. vol. xii. p. 680, ed. vet.; Poeti Epist. ad Artax., and Sorani Vita Hippocr. in Hippocr. Opera, vol. iii. p. 770, 850; Suid. s. v. Ἱπποκάτης; Steph. Byz. s. v. Κῶς).