Syennesis
1. A king of Cilicia, who joined with Labynetus (Nebuchadnezzar) in mediating between Cyaxares and Alyattes, the kings respectively of Media and Lydia, probably in B. C. 610. (Hdt. 1.74; comp. Grote's Greece, vol. iii. pp. 311, 312.)
From William Smith (ed.), Dictionary of Greek and Roman Biography and Mythology. Text provided under a CC BY-SA license by Perseus Digital Library, http://www.perseus.tufts.edu, with funding from the National Endowment for the Humanities and Tufts University. Data accessed from https://github.com/PerseusDL/canonical-pdlrefwk/ on 17 October 2026.