Complex sentence: His wife Isabella having died on 11 June 1943, Lemmone remarried on 28 September of the same year, but in 1949 he died at Darlinghurst in Sydney, aged 88 years.
Split into simpler sentences: His wife Isabella having died on 11 June 1943, Lemmone remarried on 28 September of the same year. In 1949 he died at Darlinghurst in Sydney, aged 88 years.