Complex sentence: In 1957 he had to leave the clergy of the Roman Catholic Church, due to exposure of his intimate contacts with women and proof he stole valuable documents from the library of the missionaries cloister in Stradom.
Split into simpler sentences: In 1957 he had to leave clergy of the Roman Catholic Church. Reason of his resignation was exposure of his intimate contacts with women and proof he stole valuable documents from library of missionaries cloister in Stradom.