Complex sentence: He was excommunicated in 1943 for unlawful cohabitation, a result of a polygamous relationship, and rebaptized in 1954 but never had his priesthood or temple ordinances restored.
Split into simpler sentences: He was excommunicated in 1943 for unlawful cohabitation, a result of a polygamous relationship. In 1954 he was rebaptized in 1954 but never had his priesthood or temple ordinances restored.