Which preposition to use with conseils

In Occurrences 1%

Each canton, each commune, chose an ancient, assisted by a conseil In every canton was a tribunal to judge the peasants' affairs.

of Occurrences 1%

Récamier went through with regard to the arrogant Président du Conseil of the Orléans dynasty, more than one of her imitators are at this hour enduring for some "lion" infinitely illustrious.

Which preposition to use with  conseils