House of Braganza vassals, alongside numerous churches, orders, and institutions under its patronage. In 1603, Teodósio II married Ana de Velasco y Girón, daughter of Castilian Juan Fernández de Velasco, 5th Duke of Frías, and had four children with her. The Duke's first son and successor, João II, raise the House of Braganza to new heights of power, having launched the Portuguese Restoration War and been acclaimed King João IV of Portugal, thus installing the House as the ruling dynasty of Portugal. Teodósio II's second son, Duarte of Braganza, was made Lord of Vila do Conde and became a diplomat, serving at the
House of Braganza at the age of ten and later became an accomplished general. João I's second son, Duarte of Braganza, was made 1st Marquis of Frechilla, and the Duke's third son, Alexandre of Braganza, became Archbishop of Évora, both receiving their titles and many concessions from King Philip I when the monarch was making amends with the House of Braganza. Unlike his other sons, João I's last son, Filipe of Braganza, died without marriage, children, or titles. The seventh Duke, Teodósio II, became famous at a young age, having been made page to King Sebastião I and having marched into the Battle