Hunter Biden, Joe Biden, Ann McGovern, Susan Rowen Hunter Biden, top, sits with his father Vice President Joe Biden, and daughters of George McGovern Ann McGovern, third from top and Susan Rowen, fourth from top, at a prayer service for former Democratic U.S. senator and three-time presidential candidate George McGovern at the First United Methodist Church in Sioux Falls, S.D., . McGovern died last Sunday in his native South Dakota at age 90