Which preposition to use with vainglorious

beyond Occurrences 1%

Vainglorious beyond measure was Riton of his broidered cloak.

over Occurrences 1%

Quite proud that my story had been substantiated and perhaps a bit vainglorious over the fact that a man of my name had looked like a king, I was not slow in saying that I probably was, that my line for six hundred years after that date, honest yeomen, had lived near the spot, in the fields of Kent.

Which preposition to use with  vainglorious