Note: There were a stunning number of Laodices marrying Mithridates' of various generations in this line, often marrying their brothers. Do not merge unless you're sure.

This one should be the one identified here:

http://en.wikipedia.org/wiki/Laodice_(wife_of_Mithridates_II_of_Pontus)

Note: There were a stunning number of Laodices marrying Mithridates' of various generations in this line, often marrying their brothers. Do not merge unless you're sure.

This one should be the one identified here:

http://en.wikipedia.org/wiki/Laodice_(wife_of_Mithridates_II_of_Pontus)

Laodice II

Laodice (Ancient Greek: Λαοδίκη Laodíkē; lived in the 3rd century BC), wife of her cousin Seleucus II Callinicus, was, according to the express statement of Polybius, the daughter of Andromachus and sister of Seleucid General Achaeus. Laodice II bore Seleucus II five children, among them were: Antiochis, Seleucus III Ceraunus and Antiochus III the Great.

Source :

https://en.wikipedia.org/wiki/Laodice_II