By the way, none of these people are related, so far as I know, except for the baseball Uptons:
Canseco (Jose and Francisco, representing Texas’s 23rd district)
Lankford (Ray and James, representing Oklahoma’s 5th district)
Mack (Connie and Connie, representing Florida’s 14th district)
Matsui (Hideki, Kazuo, and Doris O., representing California’s 5th district)
Posey (Buster and Bill, representing Florida’s 15th district)
Rivera (Mariano and David, representing Florida’s 25th district)
Schilling (Curt and Robert T, representing Illinois’s 17th district)
Slaughter (Enos and Louise McIntosh, representing New York’s 28th district)
Speier (Chris and Jackie, representing California’s 12th district)
Upton (B.J., Justin, and Fred, representing Michigan’s 6th District)
Womack (Tony and Steve, representing Arkansas’s 3rd district)
And a near-miss:
Throneberry and Thornberry (Marv and Mac, representing Texas’s 13th district)
Congressman Connie Mack (IV) is the great-grandson of the real and original Connie Mack.