Which preposition to use with saue

by Occurrences 1%

A good dayes iourney thence is a steepe mountaine, ouer which is no passage, sauing by one narrow path called Demir Capi, which was in times past called the yron gate.

to Occurrences 1%

The attendants vpon these sepulchres are fifty eunuches white and tawny, neither is it granted to any of them to enter within the tombe, sauing to three white eunuches the oldest and best of credit; vnto whom it is lawfull to enter but twise in the day, to light the lamps, and to doe other seruices.

Which preposition to use with  saue