Juan de Velasco Juan de Velasco Juan de Velasco y Pérez Petroche (1727–1792) was an 18th-century Jesuit priest, historian, and professor of philosophy and theology from the Royal Audience of Quito. He was born in Riobamba to Juan de Velasco y López de Moncayo and to María Pérez Petroche. Among the universities where he taught was the Universidad de San Marcos in Lima in the Viceroyalty of Peru. He is best known for his history book "Historia del Reino de Quito", although he also wrote books in fields other than history, such as physics textbooks and poetry anthologies. The book "Historia del Reino
Juan Fernández de Velasco, 5th Duke of Frías Juan Fernández de Velasco, 5th Duke of Frías Juan Fernández de Velasco, 5th Duke of Frías ( – 15 March 1613) was a Spanish nobleman and diplomat. Juan Fernández de Velasco was the son of Íñigo Fernández de Velasco; and of Maria Angela de Aragón y Guzmán El Bueno. He inherited his father's title of Constable of Castile, and was present at the signing of the Treaty of London (1604). Juan Fernández de Velasco was also Governor of the Duchy of Milan in the period 1592–1600 and 1610–1612. In 1595, he led the Spanish forces in the Battle of Fontaine-Française