Mitt Romney got a major endorsement Wednesday from a man with one of the biggest last names in politics.

Former Florida Governor Jeb Bush says he's supporting Romney for the republican nomination.

Bush, who was once seen as a possible contender for the nomination, released a statement calling on republicans to "unite together" to defeat President Obama this fall.

It's another important boost to the Romney campaign from the Bush family. Governor Bush's father, former President George H.W. Bush also endorsed Romney.

Jeb's brother, former President George W. Bush has not picked a candidate.