Complex sentence: Morrison and his three surviving sisters Judy Tapsell, Rene Mitchell and Linda Morrison lost their oldest brother, Laurie, in 1974, another brother, Charlie, died in infancy and youngest sister Atareta Maxwell died suddenly in January 2006 from a heart attack.
Split into simpler sentences: Morrison and his three surviving sisters, Judy Tapsell, Rene Mitchell and Linda Morrison, lost their oldest brother Laurie in 1974. Another brother, Charlie, died in infancy and youngest sister Atareta Maxwell died suddenly in January 2006 from a heart attack.