When Jean Elizabeth Chase was born on 14 September 1924, in Van Nuys, Los Angeles, Los Angeles, California, United States, her father, Joseph Newton Chase, was 30 and her mother, Josephine Eloise Porter, was 28. She married Lynn Noble Splan on 28 January 1947, in Clark, Nevada, United States. They were the parents of at least 3 sons. She lived in Los Angeles, Los Angeles, California, United States for about 5 years. She died on 16 January 1981, in Fresno, Fresno, California, United States, at the age of 56, and was buried in Chatsworth, Los Angeles, Los Angeles, California, United States.