Which preposition to use with fortalice

of Occurrences 3%

The original fortalice of the Muries, half a mile distant, was, like Glencardine, a ruin.

in Occurrences 1%

When first seen through the haze of morning, it resembled a huge elephant supporting an embattled tower; a little after, it assumed the similitude of a gigantic warrior in a recumbent posture, armed cap-a-pie; anon, this apparition vanished, and in its stead rose a fortalice in miniature, with pigmy sentinels stationed on its ramparts.

on Occurrences 1%

They are a numerous race, and inhabit little fortalices on the coasts of our sea-girt isle, which to an imaginative mind would give it the appearance of a beleagured citadel.

with Occurrences 1%

We entered a little fortalice with a cannon in it, in an embrasure which at that moment struck me as unnecessarily vast, even though it was partly closed by a frail packing-case lid.

Which preposition to use with  fortalice