Please answer the following question: Information:  - Robert Allen Nen (born November 28, 1969) is a former Major League Baseball right-handed relief pitcher. He spent most of his career as a closer. He is the son of former major league first baseman Dick Nen. He currently works in the Giants' front office as a special assistant to General Manager Brian Sabean.  - Richard Le Roy Nen ( born September 24 , 1939 ) is a former Major League Baseball first baseman . He is the father of former major league reliever Robb Nen . Nen played for the Los Angeles Dodgers ( 1963 ) , the Washington Senators ( 1965 - 1967 , 1970 ) and the Chicago Cubs ( 1968 ) . His major league debut was September 18 , 1963 with the Los Angeles Dodgers . As a pinch hitter in the top of the ninth inning against the St. Louis Cardinals , he hit a key , game - tying home run that eventually resulted in a three - game Dodger sweep over the Cardinals .  - At the end of each Major League Baseball season, the league leaders of various statistical categories are announced. Leading the league in a particular category is referred to as a "title".  - Brian R. Sabean (born July 1, 1956), as of 2015, is the executive vice president of baseball operations of the San Francisco Giants. He served as the team's general manager for eighteen seasons, from 1997 to 2014. He succeeded general manager Bob Quinn. The Giants had a winning record in thirteen of the eighteen seasons in which Sabean served as general manager. Prior to his tenure, the team had suffered losing seasons in five out of six years. He is a native of Concord, New Hampshire.  - In baseball and softball, a relief pitcher or reliever is a pitcher who enters the game after the starting pitcher is removed due to injury, ineffectiveness, fatigue, ejection, or for other strategic reasons, such as being substituted by a pinch hitter. Relief pitchers are further divided informally into various roles, such as closers, set-up relief pitchers, middle relief pitchers, left/right-handed specialists, and long relievers. Whereas starting pitchers usually rest several days before pitching in a game again due to the number of pitches thrown, relief pitchers are expected to be more flexible and typically pitch more games but with fewer innings pitched. A team's staff of relievers is normally referred to metonymically as a team's bullpen, which refers to the area where the relievers sit during games, and where they warm-up prior to entering the game.    Given the information, choose the subject and object entities that have the relation of 'given name'.
A:
dick nen , dick