Did poor people like peasants go to the church for their marriage? What did the process of finding a wife look like? Did she come from the same village? I know something about marriage in nobility, but what did it look like for normal people?
More can be said, but consider
Were love marriages the norm in Medieval Europe? written by u/Whoosier and u/breads
What was the average marriage age for people living in the Middle Ages written by u/sunagainstgold