Children 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 (right). All others are unidentified.

Archivist of the United States Wayne Grover speaking at the dedication of the Herbert Hoover Presidential Library in West Branch, Iowa. Seated behind him is former President Hoover's son, Herbert Charles Hoover. Seated on the right is Iowa Governor Norman Erbe. All others are unidentified.

Former President Harry S. Truman speaking at the dedication of the Herbert Hoover Presidential Library in West Branch, Iowa. Seated behind former President Truman is former President Hoover. Seated behind former President Hoover is his son, Herbert Charles Hoover. All others are unidentified.

Admiral Lewis Strauss speaking at the dedication of the Herbert Hoover Presidential Library in West Branch, Iowa. Seated behind him is former President Hoover's son, Herbert Charles Hoover. All others are unidentified.

Iowa Governor Norman Erbe speaking at the dedication of the Herbert Hoover Presidential Library Dedication in West Branch, Iowa. Seated behind Mr. Erbe is Herbert Charles Hoover, son of former President Herbert Hoover. Others are unidentified.

Iowa Governor Norman Erbe (right) at the dedication of the Herbert Hoover Presidential Library Dedication in West Branch, Iowa, along with Herbert Charles Hoover, son of former President Herbert Hoover (left). Others are unidentified.

This portrait is of Margaret Truman. She is wearing a suit and hat.

President Harry S. Truman throws out the first ball at Griffith Stadium, Washington, D.C., pitching left-handed. The Washington Senators were set to play the New York Yankees. The Senators defeated the Yankees 12 to 4. Charles Ross and William D. Hassett are behind President Truman, Margaret and Mrs. Bess Truman are beside him. The owner of the Washington Senators, Clark Griffith, and Bucky Harris in uniform, stand to the President's side.

President Harry S. Truman greets Margaret (on the left) and Mrs. Truman (to the right) on his arrival from a nine day vacation in Key West. The photo was taken in Washington National Airport. The nine day vacation was preceded by a five day tour of Puerto Rico, the Virgin Islands and Cuba.

From left to right, Natalie (Mrs. Frank) Wallace, Margaret Truman and May (Mrs. George) Wallace on board the presidential yacht U.S.S. Williamsburg. They were on the yacht during a visit of members of First Lady Bess W. Truman's bridge club to Washington, D.C. Natalie and May are the wives of Bess W. Truman's brothers.