Complex sentence: He had been married to his wife Valerie Seymour for eleven years, however during the 1970s he was publicly outed by others as a lifelong homosexual, much to his annoyance.
Split into simpler sentences: He had been married to his wife Valerie Seymour for eleven years. During the 1970s, however, he was publicly outed by others as a lifelong homosexual, much to his annoyance.