Complex sentence: De Brito won three consecutive São Paulo state youth championships between 1954 and 1956 with the child, called Edson Arantes do Nascimento and who would be better known as Pelé in the near future, being the main driving force behind those victories.
Split into simpler sentences: De Brito won three consecutive São Paulo state youth championships between 1954 and 1956 with the child. The boy, called Edson Arantes do Nascimento and who would be better known as Pelé in the near future, was the main driving force behind those victories.