Cisseis Save Frieze-Dennison Vergil Cissēis, idis, f.: the daughter of Cisseus; Hecuba, 7.320. (Cisseus) Lewis & Short LaNe Cissēïs, ĭdis, v. Cisseus. Cissēis, idis f Hecuba, dochter v. Cisseus, de koning v. Thracië.