Complex sentence: The Keristans practiced group marriage and maintained a very high profile which included the printing publication of a popular free newspaper and several national media appearances and made themselves known as the religion that had adopted singer Joan Jett as the "Matron Saint" of their community.
Split into simpler sentences: The Keristans practiced group marriage and maintained a very high profile which included the printing publication of a popular free newspaper and several national media appearances. Kerista would also adopt singer Joan Jett as the "Matron Saint" of their community.