When Pedro Jose Martinez was born on 29 June 1861, in Abiquiu, Rio Arriba, New Mexico, United States, his father, Jose Pablo Martinez, was 28 and his mother, Maria Antonia Liberada Romero, was 16. He married Maria Simona Lucero on 27 January 1884, in Wagon Mound, Mora, New Mexico Territory, United States. They were the parents of at least 2 sons and 4 daughters. He lived in Mora, New Mexico, United States for about 10 years and Wagon Mound, Mora, New Mexico, United States in 1940. He died on 30 March 1944, in Los Angeles, Los Angeles, California, United States, at the age of 82, and was buried in Los Angeles, Los Angeles, California, United States.