Don Juan Macapagal, Datu of Arayat, was the great-grandson and the most eminent descendant of the last ruling Lakan (King) of Tondo, Don Carlos Lacandola. Don Juan Macapagal was given the title Maestre de Campo General of the natives Arayat, Candaba and Apalit for his aid in suppressing the Kapampangan Revolt of 1660. He further aided the Spanish crown in suppressing the Pangasinan Revolt of Don Andres Malong in the same year, and the Ilocano Revolt of 1661. Don Juan Macapagal died in 1683. Don Juan Macapagal is a direct ancestor of Philippine Revolutionary General, Lazaro Macapagal and two former Philippine President Diosdado Macapagal and his daughter, former Philippine President Gloria Macapagal-Arroyo.
As one of the requirements of the Spanish authorities when he asked for more privileges to be given to his family he had to show proof of descent from the old Lord of Tondo. In the records, it is shown that his parents were Capitan Don Gonzalo Capulong and Dona Maria Bina; Don Gonzalo Capulong was the son of Don Dionisio Capulong, the eldest son of Don Carlos Lacandola.
He had at least 3 brothers and a sister: Don Juan de Guevarra, Don Miguel Alfonso de Lapira, Don Nicolas Lacandola, and Dona Cathalina Bina. He himself had 5 children, who were Dona Maria Macapagal, Don Francisco Macapagal, Don Pablo Macapagal, Don Salvador Macapagal, and Don Piotenciano Macapagal.
Don Juan Macapagal occupied the post of juez de sementeras of the town Arayat twice before becoming its governor five times in a row. He was also commissioned by the Spanish crown to conduct the supply of silver from Pangasinan through Zambales.
Don Juan Macapagal started out as a corporal of a squad of native soldiers. He later rose to the rank of sargento capitan of the infantry. Fighting under Spanish captain Sebastian Castelu, Macapagal help pacify the northern frontiers of the province of Pampanga, which then extends all the way up north to Cagayan Valley. He was wounded during the suppression of the Chinese uprising in 1639 and in suppressing a minor Kapampangan uprising in 1641. In 1660, he was given the title Maestre de Campo General of the natives Arayat, Candaba and Apalit for his aid in suppressing the Kapampangan Revolt of 1660.