Complex sentence: Borwick was the son of George Borwick of Torquay, and his wife Jane (née Hudson), and was Chairman of the family firm George Borwick & Sons Ltd, manufacturer of baking and custard powders, which had been founded by his father.
Split into simpler sentences: Borwick was the son of George Borwick and his wife Jane (née Hudson). He was Chairman of the family firm George Borwick & Sons Ltd, manufacturer of baking and custard powders, which had been founded by his father.