I don't think it's "provided with the help of the church", but more likely "[deceased] with the comforts of religion" ie, she passed away believing in Christ and the afterlife.
Also, I'd say the "regrets" means that the people who interred her regret her passing, that is, "you will be missed".
the Count
Also, I'd say the "regrets" means that the people who interred her regret her passing, that is, "you will be missed".
Location: La Crypte des Fleurs Gallery: Moisture