Lewis & Short

Lībĕra, ae, f. [3. Liber].

  1. I. Proserpine, daughter of Ceres, and sister of Liber: hunc dico Liberum Semelā natum, non eum, quem nostri majores auguste sancteque Liberum cum Cerere et Libera consecraverunt, etc., Cic. N. D. 2, 24, 62; id. Verr. 2, 5, 14, § 36: Ceres et Libera, quarum sacra, etc., id. ib. 2, 5, 72, § 137: signa aënea Cereri, Libero Liberaeque posuerunt, Liv. 33, 25: supplicatio ad Cereris, Liberi Liberaeque fuit, id. 41, 28; for which in full: familia ad aedem Cereris, Liberi Liberaeque venum iret, id. 3, 55, 7.
  2. II. Ariadne (because she was the wife of Bacchus), Ov. F. 3, 512.