Which preposition to use with murena

on Occurrences 2%

He left Murena on the north of the Cephissus to keep the enemy in check at Assia.

in Occurrences 1%

Leaving Murena in Asia with Fimbria's legions, Sulla, in 84 B.C., with his soldiers in good humour, and with full coffers, at last set out homewards.

with Occurrences 1%

The enemy ran down in confusion from Thurium, where they were met by Murena with Sulla's left wing, and were either destroyed or driven back upon the centre of the line of Archelaus, which they threw into disorder.

Which preposition to use with  murena