Tommy Haas
Thomas Mario Haas (born 3 April 1978) is a German former professional tennis player.
He competed on the ATP Tour from 1996 to 2017.
After breaking into the world top 100 in 1997, and reaching a career-high singles ranking of world No. 2 in May 2002, his career was interrupted by injuries: Haas twice dropped out of the world rankings due to being unable to play for twelve months.
His first period of injury saw him miss the whole of the 2003 season, and he did not return to the world's top 10 until 2007.
He also missed over a year's tennis between February 2010 and June 2011, but afterwards returned to play on the tour.
He returned to world No. 11 in 2013, after reaching the quarterfinals at the French Open for the first time in his career.
Haas reached the semifinals of the Australian Open three times, and in Wimbledon once.
He reached the quarterfinal stage of each of the Grand Slam events.
He won 15 career titles in singles, including one Masters tournament (Stuttgart) in 2001, and has a silver medal from the 2000 Summer Olympics.
Bob Allen (Australian footballer)
Robert Allen( 22 December 1908 – 8 April 1992) was an Australian rules footballer who played with Fitzroy in the Victorian Football League( VFL).
Shwa Losben
Shwa is an American singer/ songwriter currently residing in San Francisco.
Born Joshua Losben, he is the former front- man of the Washington, DC based band" Shwa" and currently tours under the name" Shwa Losben."
In 2008, he won the ASCAP Robert Allen Songwriting Award named after the American composer Robert Allen.
Robert Mukes
Robert Allen Mukes( born March 14, 1964) is an American actor living in Los Angeles, California, United States.
Robert Skotheim
Robert Allen Skotheim( born January 31, 1933) is an American educator who has served as president of several colleges and institutions.
Robert Allen (boxer)
Robert Allen( born June 7, 1969) is an American professional boxer from Atlanta, Georgia.
He was born in New Orleans, Louisiana and fights as a middleweight.
Rob Bell (baseball)
Robert Allen Bell( born January 17, 1977) is a retired Major League Baseball pitcher.
He made his debut with the Cincinnati Reds in.
Robert Marlow
Robert Marlow( born Robert Allen, 21 October 1961) is a synth- pop singer, songwriter and musician.
Robert Allen (general)
Robert Allen( March 15, 1811 – August 5, 1886) was a career officer in the United States Army, serving as a brigadier general during the American Civil War.
Bob Williams (quarterback)
Robert Allen Williams( January 2, 1930 – May 26, 2016) was an American football quarterback in the National Football League( NFL).

Question: Did Tommy Haas and Robert Allen (general) share the same nationality?
Answer: no