OF PLURALITY OF WIVES (FIVE ARTICLES)
We must now consider the plurality of wives. Under this head there are five points of inquiry:
(1) Whether it is against the natural law to have several wives?
(2) Whether this was ever lawful?
(3) Whether it is against the natural law to have a concubine?
(4) Whether it is a mortal sin to have intercourse with a concubine?
(5) Whether it was ever lawful to have a concubine?