Diogo Gil Moniz

He was the eldest son of Gil Aires and wife Leonor Rodrigues.

He was Vedor of the Fazenda of Infante Ferdinand, Duke of Viseu, brother of King Afonso V of Portugal and father of King Manuel I of Portugal.

He married Leonor da Silva, daughter of Rui Gomes da Silva, of the Lords of a Chamusca, and wife Branca de Almeida, and had:

• Francisca Pereira or da Silva, wife of Dom Sancho de Noronha, 3rd Count of Odemira, and had extant issue
• Pedro or Pero Moniz da Silva
• António of St. Thomas, a Hieronymite monk, a reformer of the Monastery of Tomar

• Manuel João da Costa Felgueiras Gaio, "Nobiliário das Famílias de Portugal", Tomo Vigésimo Primeiro, Título de Monizes, § 17, § 18 e § 19
• Various Authors, "Armorial Lusitano", Lisbon, 1961, pp. 370-372
• Dom Augusto Romano Sanches de Baena e Farinha de Almeida Portugal Sousa e Silva, 1.º Visconde de Sanches de Baena, "Archivo Heraldico-Genealógico", Lisbon, 1872, Volume II, p. CXV
• Cristóvão Alão de Morais, "Pedatura Lusitana", Volume I (reformulated edition), pp. 668-670