Complex sentence: After this period, little more is known about Markham's subsequent life, until her death in a house fire at her home in Moore Street, Bondi on 20 April 1976, having outlived most of her criminal contemporaries from Sydney's tempestuous razor gang era.
Split into simpler sentences: After this period, little more is known about Markham's subsequent life, until her death in a house fire at her home in Moore Street, Bondi on 20 April 1976. She had outlived most of her criminal contemporaries from Sydney's tempestuous razor gang era.