Fernando de Alvarado was a Spanish encomendero and interim Governor of Chiloé in the 1640s. De Alvarado came originally from the city of San Mateo de Osorno in mainland Chile. With the fall of the city in 1603 de Alvarado followed many Spanish settlers and loyalist Indians and relocated to Chiloé Archipelago. As governor Andrés Herrera died in battle with the Dutch forces of Hendrik Brouwer in Carelmapu in 1643 de Alvarado became interim governor. De Alvardo organized the remaining troops in Carelmapu and Calbuco aiming to prevent an indigenous uprising and harass the Dutch invaders. He moved quickly through the forested paths that led south from Carelmapu and reached Castro before the Dutch did so. Amidst heavy rains de Alvarado ordered the city of Castro to be dismantled and the populati