Question

the clergy comprised the wealthy first estate, with members of noble descent in particular having a great deal of power. what was the source of the clergy’s wealth?
family money
tithes
donations from the king
savings from paying low taxes

Explanation:

In pre-revolutionary France, the First Estate (clergy) collected mandatory tithes—10% of agricultural produce and income—from the Third Estate (commoners) as a core source of wealth. Family money, royal donations, and low-tax savings were not their primary wealth source.

Answer:

tithes