Complex sentence: Two years later he was in London, where he was made a fellow of the Royal Society, and became embroiled in a lively bisexual love-triangle with the politician John Hervey, and Lady Mary Wortley Montagu.
Split into simpler sentences: Two years later he was in London, where he was made a fellow of the Royal Society. He became embroiled in a lively bisexual love-triangle with the politician John Hervey, and Lady Mary Wortley Montagu.