Complex sentence: Donald and his family lived in Glasgow and self owned a fish and chip place/tea-room in the Govan area, then lived for 2-3 years in Newcastle before finally settling in London where he died in 1916 aged 78 years.
Split into simpler sentences: Donald and his family lived in Glasgow, where they owned a fish and chip restaurant and tea-room in the Govan area. They then lived for 2-3 years in Newcastle, before finally settling in London where Dinnie died in 1916, aged 78 years.