Respuesta :
The source of the First Estate's wealth which made them quite wealthy was Tithes.
What was the source of the clergy's income?
The clergy in France were able to become quite wealthy thanks to tithes paid by the Third Estate to the church.
These tithes were a compulsory 10% levied on the incomes of people in the Third Estate which had to be paid to the church.
Find out more on the First Estate at https://brainly.com/question/886326.