Santa Ana the first and the oldest of the three kingdoms of "Namayan" (the now City of Manila), also called Kingdom of Sapa later be called "Maysapan" and Christianized into "Santa Ana de Sapa" now simply as Santa Ana, has Estero de Santa Clara and the longest Estero Tripa de Gallina. This long estero wasthe main reason why Maysapan or Santa Ana was easily reached by Chinese mechant's Junk boats bartering their Chinese goods with the locals. "Tripa de Gallina" (chicken intestine), drains water from Manila, Paco, San Andres, Makati as far as Forbes Park, Fort Bonifacio and then through Buendia Avenue in Makati and Pasay (including Bangkal and Don Bosco Makati) and then in Paranaque. Dumps water into Manila Bay via the Paranaque River at an intersection near western side of the NAIA runway.
Ang radikal na ideya ni Padre Pedro Pelaez at "El Conde Filipino" Luis Rodriguez Verela, ganoon din ang mga radikal na creoles na sina Manuel Zumalde at Jose Javier de Torres, ay nakapagbukas sa mapusok na kaisipan ni Padre Jose Burgos, na naging estudyante at disipulo ni Padre Pedro Pelaez. Bagamat lahat sila'y Kastilang creoles at pinagmamalaki na sila ay "Filipino," tulad din ng ginawang insureksyon ng creoles na si Andres Novales sa Maynila (Intramuros, "Palmero Revolt of 1828), silang lahat ay hindi sangayon na humiwalay ang Pilipinas sa "Madre Espana."