Which preposition to use with clientship

to Occurrences 3%

coalesce with the Aedui, consigned themselves in clientship to the Remi.

among Occurrences 1%

The king now sought at least to extend his clientship among the chieftains of the Illyrian land, the modern Dalmatia and northern Albania.

of Occurrences 1%

Hence, we find by the extracts which Dr. Brady has given us from Domesday, that almost all the inhabitants, even of towns, had placed themselves under the clientship of some particular nobleman, whose patronage they purchased by annual payments, and whom they were obliged to consider as their sovereign, more than the king himself, or even the legislature

Which preposition to use with  clientship