Francisco Javier de Morales y Castejón de Arroyo was a Spanish soldier and interim governor of Chile from March 1770 to March 1772.
Sources Diego Barros Arana, Vicuña Mackenna, Carlos Tomás, Historia jeneral de Chile Tomo VI, Published by R. Jover, 1886. Original from Harvard University, Digitized Sep 12, 2008, 483 pages Parte Quinta Capitulo IIX pp. 316–338