I'm not a big fan of family political dynasties.  I think that the Kennedy Clan has done well for themselves in political office.  To balance that out both JFK and his older brother Joe, did their combat military service which stands them in good stead, perhaps even more so as their background could have let them take on non combat roles.

Keep in mind that JFK's father helped finance the campaign's both to have JFK for the democratic nomination and for the run for the presidency, and a good portion of his resources came from his liquor distribution net work at the time selling booze in the country was illegal.  

Perhaps too much authority within one family of the country is not the best way forward?