Complex sentence: Charles Edgar Samuel Montagu, 5th Baron Swaythling (born 20 February 1954) is the second child and only son of David Montagu, 4th Baron Swaythling and Christiane Françoise Dreyfus.
Split into simpler sentences: Charles Edgar Samuel Montagu, 5th Baron Swaythling (born 20 February 1954) is the fifth Baron Swaythling. He is the middle child but only son of David Montagu, 4th Baron Swaythling and Christiane Françoise Dreyfus.