Oropesa, and they both started preaching around Laguna de Bay and Tayabas, Quezon, in Quezon Province, where he founded several towns.During the following years they are also credited with the foundation of a large number of towns in the provinces of Bulacan, Laguna and Rizal, such as Tayabas, Caliraya, Lucban, Mahjayjay, Nagcarlan, Lilio(Liliw), Pila, Santa Cruz, Lumban, Pangil, Siniloan, Morong, Antipolo, Taytay, and Meycauayan.As a friar, Juan de Plasencia lived up to his pledge, leading a lifestyle devoid of any luxury and in constant contact with the people he was trying to convert to Christianity.He was also known to be a defender of the native population, looking after the poor, ill, or neglected, and standing up for their rights on numerous occasions.He was also very keen on creating primary schools, and requested official sanction for the creation of educational centers where "Filipinos could not only learn Christian doctrine, but also reading and writing, and some arts and crafts, so they would become after, not only good Christians but also useful citizens", an initiative that was approved by Domingo de Salazar, the first Bishop of the See of Manila (1512–1594).BACKGROUND OF THE DOCUMENTSIt was written on the year 1589 during the Spanish Colonial Period. After receiving the Lordship’s letter, Plasencia wished to reply immediately; but he postponed his answer in order that he might first thoroughly inform himself in regard to People’s request, and to avoid discussing the conflicting reports of the Indians.Therefore, he collected Indians from different districts, old men, and those of most capacity; and from them he have obtained the simple truth, after weeding out much foolishness, in regard to their government, administration of justice, inheritance, slaves, and dowries.Customs of the Tagalogs is a part (either chapters or subsections) of longer monographs written by the chroniclers of the Spanish expeditions to the Philippines during the early 16th and 17th centuries. They appeared initially in Blair and Robertson’s 55 volumes, The Philippine Islands (1903) and in the Philippine Journal of Sciences (1958).CUSTOMS OF THE TAGALOGS1.DATOS – the chief who governed the people and were captains in their wars whom they obey and reverence2.BARANGAY – a family of parents and children, relations and slaves.3.THREE CASTES – nobles, commoners, slavesCONTENT ANALYSISSITUATION 1: Those who are maharlicas on both the father’s and mother’s side continue to be forever, and if it happens that they should become slaves, it is through marriage.SITUATION 2: If maharlicas had children among their slaves, their children and their mothers became freeSITUATION 3: If maharlicas had children by the slave-woman of another, the slave-woman was compelled when pregnant, togive her master half of a gold tael. In this case, half of the child was free if the father (maharlica) recognized him. If not, the child will become a whole slave.