(Αἰακίδης), a patronymic from Aeacus, and given to various of his descendants, as Peleus (Ov. Met. 11.227, &c., 12.365; Hom. Il. 16.15), Telamon (Ov. Met. 8.4; Apollon. 1.1330), Phocus (Ov. Met. 7.668, 798), the sons of Aeacus; Achilles, the grandson of Acacus (Hom. Il. 11.805; Verg. A. 1.99); and Pyrrhus, the great-grandson of Aeacus. (Verg. A. 3.296.)
[L.S]A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890