Which family from Florence, Italy supported artists during the Renaissance The Botticelli Family
The Masaccio Family
The Medici Family
The Buonarte family

The Medici Family, the family themselves was made up of artists.

Generally spontaneous human combustion is something that still bewilders some, human combustion happens very rarely and doesn't affect the surrounding areas, so unless you want to set your self on fire, human combustion will remain spontaneous and very rare.