Manila on June 24, 1571, ordered the exploration and pacification of the surrounding villages and settlements. Martin de Goiti led a contingent towards Pampanga while Juan de Salcedo Legaspi's 22-year-old grandson led a contingent up to the Pasig river towards the inter lands of Laguna de Bay. With him was Fr. Alonzo Alvarado, an Augustinian who was very zealous in converting the natives. From Taytay and Cainta, Salcedo proceeded to Bay, Liliw, Nagcalan and Majayjay and to other towns where up-on Fr. Alvarado's intercession, the natives surrendered peacefully with Fray Diego de Espinar and 60 men. He followed the rugged trails of the mountainous village of Sampaloc towards the Bicol Region to look for gold which he found in the gold mines besides the Bicol River. In 1571, Fr. Martin de Rada, the superior of the Augustinian religious order who came with the Legaspi expedition in 1565, started to build a bamboo and nipa church under the patronage of Saint Augustine along the lakeshore of Bay (i.e. Aplaya, now San Antonio). He became the first parish priest of Bay. On April 30, 1578, Fr. Joaquin de Zuniega stated in the Historical view of the Philippine Island that Bay was organized both as a town and a parish with Fray Juan Gallegos as the parish priest. On the same day, the village of Sampaloc (now San Pablo) was made a visita of the lake side village where it was believed that the tribunal of Ecclesiastical visitors of Bay was held. Fray Gaspar de San Agustin further wrote that in 1586, the Augustinian Fathers organized the visita into a convent with a priest. The provincial Father Diego Alvarez to handle the administration of the Christian natives. Thus Sampaloc which came to be known as San Pablo de los Montes, ceased to be part of the Bay parish. The powerful Gat Pangil was Datu of this already thriving community in 1571 when 18-year-old Spanish Capitan Juan de Salcedo landed with Augustinian missionaries Alfonso de Alvarado and Diego Espinar came to claim the territories for Spain. It was salcedo who took the name of the town and named the lake after it – Laguna de Bay (the Lake of [the town of] Bay). Eventually, the Spanish came to call the whole province "La Provincia de la Laguna de Bay." In 1581, San Antonio de Bay became the capital of the Province of Laguna de