Complex sentence: In January 1955, Naipaul moved to new lodgings, a small flat in Kilburn, and he and Pat married, neither telling their families or friends--their wedding guests limited to the two witnesses required by law.
Split into simpler sentences: In January 1955, Naipaul moved to new lodgings, a small flat in Kilburn, and he and Pat were married. Neither informed their families or friends--their wedding guests limited to the two witnesses required by law.