Complex sentence: Jarabo had a British girlfriend named Beryl Martin who wanted to sell a ring, which she gave to Jarabo, who sold it to businessmen Emilio Fernandez and Félix López for a small sum.
Split into simpler sentences: Jarabo had a British girlfriend named Beryl Martin who wanted to sell a ring. She gave it to Jarabo, who sold it to businessmen Emilio Fernandez and Félix López for a small sum.