William Clay Ford, right, grandson of Henry Ford, takes the ball after a pass from Lawrence Beecher, left, during a soccer game at the St. Mary's Navy Pre-Flight School, where they are aviation cadets, in Oakland, Calif., April 23,1945. (Associated Press)

Relaxing during the eveing rest period at St. Mary's Pre-Flight School in Oakland, Calif., William Clay Ford (right, in lower bunk) compares pictures with his bunkmates, Cadets Robert Calhous (lower left), James Easton (upper left) and Bryce Eastburn, April 23, 1945. (Associated Press)

William Clay Ford, grandson of the late Henry Ford, greets his fiancee, Martha Firestone, daughter of Mr. and Mrs. Harvey Firestone Jr., as she arrives in New York aboard the Queen Elizabeth in New York from Europe, June 9, 1947. The couple have announced wedding plans for June 21 at Akron, Ohio. Miss Firestone, her parents and her sister Elizabeth returned from a vacation in France and England. (AP Photo/Anthony Camerano)

William Clay Ford and his bride, Martha Parke Firestone, leave St. Paul's Episcopal Church in Akron, Ohio, after their wedding, June 21, 1947. (AP Photo/Harold Valentine)

Detroit Lions President William Clay Ford, left, announces that head coach George Wilson, center, had been given an extended coaching contract for an indefinite period, Dec. 21, 1964. Lions' general manager Edwin Anderson is at right. At the same time, Ford revealed that joint decision was made by the three, relieving all the Lions assistant coaches of their duties, with Wilson free to form his new staff for the 1965 season. (AP Photo/Alvan Quinn)

William Clay Ford, 38, is shown at a press conference after he became owner of the Detroit Lions football team, Nov. 22, 1963. Stockholders approved the sale of the club to Ford for $6 million. Ford, scion of the Ford Motor Company family, became a pro football enthusiast after his election to the Lions' board of directors in 1956. (AP Photo/Preston Stroup)

William Clay Ford poses in front of a lion drawing in the Detroit Lions office after officially taking over as president of the football club, Jan. 24, 1961. (Associated Press)

William Clay Ford, owner of the Detroit Lions and grandson of Henry Ford I, is shown Dec. 1988. (Associated Press)

Ford Motor Co. President and CEO Jacques Nasser, from left, Detroit Lions Vice Chairman William Clay Ford Jr. and Detroit Lions Chairman and President William Clay Ford Sr. smile after placing ceremonial bricks at the groundbreaking ceremony for Ford Field, the new home of the Detroit Lions, in downtown Detroit Tuesday, Nov. 16, 1999. The new stadium is expected to be completed by July 1, 2002. (AP Photo/Paul Sancya)

Detroit Lions owner and chairman William Clay Ford Sr., watches during pregame warmups before their NFL preseason football game against the Buffalo Bills in Detroit Thursday, Sept. 2, 2010. (AP Photo/Paul Sancya)

Former Detroit Lions tight end Charlie Sanders, left, stands with his bronze bust and his presenter, Detroit Lions owner and chairman, William Clay Ford during the Pro Football Hall of Fame Induction Ceremony at the Pro Football Hall of Fame in Canton, Ohio, Saturday, Aug. 4, 2007. Sanders played 10 seasons in the NFL. (AP Photo/Phil Long)

Detroit Lions owner William Clay Ford Sr., left, and general manager Martin Mayhew watch during NFL football minicamp Wednesday, June 24, 2009, in Allen Park, Mich. (AP Photo/Paul Sancya)

Detroit Lions owner William Clay Ford Sr. watches during NFL football minicamp Wednesday, June 24, 2009, in Allen Park, Michigan. (AP Photo/Paul Sancya)

William Clay Ford Sr. is seen in Detroit on December 5, 2004. (AP Photo/Paul Sancya)