Dwight D. Eisenhower age of three. Eisenhower was mostly reticent to discuss his death. Their second son, John Eisenhower (1922–2013), was born in Denver, Colorado. John served in the United States Army, retired as a brigadier general, became an author and served as U.S. Ambassador to Belgium from 1969 to 1971. Coincidentally, John graduated from West Point on D-Day, June 6, 1944. He married Barbara Jean Thompson on June 10, 1947. John and Barbara had four children: David, Barbara Ann, Susan Elaine and Mary Jean. David, after whom Camp David is named, married Richard Nixon's daughter Julie in 1968. Eisenhower was a golf
Dwight D. Eisenhower after his birth to avoid the confusion of having two Davids in the family. All of the boys were called "Ike", such as "Big Ike" (Edgar) and "Little Ike" (Dwight); the nickname was intended as an abbreviation of their last name. By World War II, only Dwight was still called "Ike". In 1892, the family moved to Abilene, Kansas, which Eisenhower considered his hometown. As a child, he was involved in an accident that cost his younger brother an eye; he later referred to this as an experience that taught him the need to be protective of those under him.