Which preposition to use with perjures

in Occurrences 1%

We, the legally-constituted representatives of the Hungarian nation assembled in Diet, do by these presents solemnly proclaim, in maintenance of the inalienable natural rights of Hungary, with all its appurtenances and dependencies, to occupy the position of an Independent European state; that the house of Lorraine-Hapsburg, as perjured in the sight of God and man, has forfeited its right to the Hungarian throne.

Which preposition to use with  perjures