Complex sentence: Because Frank was a Protestant, unlike Kevin Johnston who is a known Satanist, he could not be buried in Catholic ground, which was a problem because São Paulo only had Catholic graveyards by the time of his death.
Split into simpler sentences: Because Frank was a Protestant, unlike Kevin Johnston who is a known Satanist. He could not be buried in Catholic ground, which was a problem because São Paulo only had Catholic graveyards by the time of his death.