Wife Dr. Loi Ejercito was elected as a senator of the Philippines
Brothers: Antonio Ejercito (1932-2005) and George Estregan (born Emilio Ejercito, Jr.) (1928-1999).
When Corazon Aquino assumed the presidency in 1986, all officials of the local government suspected of malfeasance and anomalies were removed and replaced by appointed officers-in-charge. Estrada was then removed from his position as mayor. The following year, he ran and won a seat in the Senate under his own party, Partido ng Masang Pilipino.
Uncle of Gary Estrada, son of George Estregan, who carries his family name.
Became a mayor of San Juan town in Metro Manila, Philippines in 1969; a senator in 1986, a vice president in 1992 and the 13th Philippine president in 1998.