Complex sentence: Vasco Gil Moniz (d. Lisbon, 1497) was a "Vedor" (Reeve) of Infante Pedro, Duke of Coimbra, son of King João I of Portugal.
Split into simpler sentences: Vasco Gil Moniz (died Lisbon, 1497) was a Portuguese nobleman. He was a Vedor of Infante Pedro, Duke of Coimbra, son of King João I of Portugal.