Complex sentence: He was married to Ramona Pelayo-Ejercito of Ibajay, Aklan, with whom he had four children: actor Emilio Ramon Ejercito ("George Estregan Jr."), Maria Georgina Ejercito, Kurt Joseph Ejercito, and George Gerald Ejercito.
Split into simpler sentences: He was married to Ramona Pelayo-Ejercito of Ibajay, Aklan. Estregan was the father of actor Emilio Ramon Ejercito ("George Estregan Jr."), Maria Georgina Ejercito, Kurt Joseph Ejercito, and George Gerald Ejercito.