Complex sentence: Son of Nicolau Moreira Lopes (1915--1965) and Augusta Pereira da Silva de Melo Breyner Pereira (1920--23 May 2003), he was a cousin of the Portuguese author Sophia de Mello Breyner Andresen.
Split into simpler sentences: Son of Nicolau Moreira Lopes (1915-1965) and Augusta Pereira da Silva de Melo Breyner Pereira (1920--23 de Maio de 2003). He was a cousin of the portugueses author Sophia de Mello Breyner Andresen.