Complex sentence: His first wife was killed during the Second World War and he married secondly to Nadine Sylvia Ada McDougall (1908--2000) at Norton, Kent on 21 September 1942.
Split into simpler sentences: His first wife was killed during the Second World War. He married secondly to Nadine Sylvia Ada McDougall (1908--2000) at Norton, Kent on 21 September 1942.