Complex sentence: Despite being his father's youngest son, George Beaufoy succeeded to the vinegar works in 1851, when he retired from the Navy and the next year married Anne Harvey, with whom he had three children.
Split into simpler sentences: Despite being his father's youngest son, George Beaufoy succeeded to the vinegar works in 1851, when he retired from the Navy. The next year he married Anne Harvey, with whom he had three children.