5. Wife of Achaeus, the cousin and adversary of Antiochus the Great, was a sister of the preceding, being also a daughter of Mithridates IV., king of Pontus. (Polyb. viii 22.) When Achaeus fell into the power of Antiochus (B. C. 214) Laodice was left in possession of the citadel of Sardis, in which she held out for a time, but was quickly compelled by the dissensions among her own troops to surrender to Antiochus. (Id. 8.23.) Polybius incidentally mentions that this princess was brought up before her marriage at Selge, in Pisidia, under the care of Logbasis, a citizen of that place. (Id. 5.74.)