Complex sentence: A wall tablet in the chancel commemorates his son, also George Shelvocke, who died in 1760, and had accompanied his father on the journey round the world before becoming Secretary of the General Post Office and a Fellow of the Royal Society.
Split into simpler sentences: A wall tablet in the chancel commemorates his son, also George Shelvocke, who died in 1760. The son had accompanied his father on the journey round the world before becoming Secretary of the General Post Office and a Fellow of the Royal Society.