It looks like Sander and Carl Levin were dressing for success even as youngsters growing up in Michigan during World War II.

This photo, taken in May 1945, shows the brothers standing in front of a family car in Detroit, with 13-year-old Sander striking a pose while 10-year-old Carl plays it cool.

The younger Levin was elected to represent Michigan in the Senate in 1978, and he was re-elected to his fifth term last fall. The elder Levin was first elected in 1982 to join his brother in Congress. At the time, the Democratic duo were only the second pair of siblings in the 20th century with one in the House and one in the Senate. They were joined by a pair of Arkansas Republicans in 1997 when then-Rep. Asa Hutchinson won the seat left behind by his brother, Tim Hutchinson, who moved to the Senate.

Two more sibling acts landed in Congress this year, with Rep. Mario Diaz-Balart (R-Fla.) taking office alongside his brother, Rep. Lincoln Diaz-Balart (R-Fla.), and Rep. Linda Sanchez (D-Calif.) joining her sister, Rep. Loretta Sanchez (D-Calif.). The Sanchez duo are the first pair of sisters ever to serve together in Congress.