Grandchildren of presidents

Former President Herbert Hoover (third from left) with his great-grandchildren at the dedication of the Herbert Hoover Presidential Library in West Branch, Iowa. Also present is former President Hoover's son, Herbert Charles Hoover (second from right). All others are unidentified.

Former President Herbert Hoover (third from left) with his great-grandchildren at the dedication of the Herbert Hoover Presidential Library in West Branch, Iowa. Also present is former President Hoover's son, Herbert Charles Hoover (right). All others are unidentified.

Former President Harry S. Truman walking through Key West with his grandchildren and son-in-law. From left to right: William W. Daniel; former President Truman; Clifton Truman Daniel; Harrison G. Daniel (partly obscured); Thomas W. Daniel; and E. Clifton Daniel. From: Dr. Voss.

Former President Harry S. Truman with his grandsons, taking a walk in Key West, Florida. From left to right: William W. Daniel; Clifton Truman Daniel; Harrison G. Daniel; former President Truman; and Thomas W. Daniel. From: Dr. Voss.

Former President Harry S. Truman with two grandsons, Clifton Daniel, 5, and William Wallace, 3, outside the Carlyle Hotel in New York City.

Former President Harry S. Truman with two grandsons, Clifton Daniel, 5, and William Wallace, 3, outside the Carlyle Hotel in New York.

Left to Right: William Wallace Daniel, Margaret Truman Daniel, Harrison Gates Daniel, Thomas Washington Daniel, and Clifton Truman Daniel. The Daniel family during a trip to Key West. From: Dr. Voss, possibly Dr. Carl H. Voss of New York City.

Capt. Paul ("Mike") Westwood (left) and Clifton Truman Daniel (right) at the reception for the dedication Thomas Hart Benton's mural at the Truman Library.

The Truman and Daniel families in an informal pose near the seaside at Tucker's Town, Bermuda. From left to right: Clifton Truman Daniel; Former President Harry S. Truman; Margaret Truman; Clifton Daniel (standing); Bess Wallace Truman; William Wallace Daniel.

Gathered aboard the Luxury Liner United States are, (from left to right) former President Harry S. Truman, his daughter Margaret, holding her son, William Wallace, 11 months, Margaret's husband, Clifton Daniel, holding son, Clifton Truman Daniel, 2; and Bess Truman. The clan gathered to see Margaret and Clifton leave for a nine-week tour of Europe.