Which preposition to use with perpetuity

of Occurrences 57%

To convince her of the perpetuity of her charms, and establish a claim upon her gratitude, he cautiously revealed to her that he was the author of this blissful state of things, and that Time's hair was actually in his possession.

to Occurrences 5%

It was in fact his obvious policy to cede Hanover in perpetuity to Prussia, and have rendered thereby the breach between the Houses of Brandenburgh and Hanover irreparable and irreconcilable.

for Occurrences 3%

Fortunately, they will be preserved in perpetuity for the American people.

in Occurrences 2%

That keen and even intense longing for a particular woman is accordingly a direct pledge of the immortality of the essence of our being and of its perpetuity in the species.

on Occurrences 1%

Marie Antoinette never rested till she had procured an adequate pension for the brother, which was settled in perpetuity on the family; and promotion for both the nephews; and, as a further compliment, Clostercamp, the name of the village which was the scene of the brave deed, was added forever to their family name.

Which preposition to use with  perpetuity