Joseph P. Kennedy III easily won a primary election in Massachussett's fourth district thanks in part to some Washington insiders and a high-profile family and their vast network of well-heeled donors.  

Since he announced in February his bid for an open seat currently held by outgoing Rep. Barney Frank, the first-time candidate has already held at least four fundraisers, where his campaign requested contributions ranging from $250 to $5,000, according to records in Sunlight Foundation's Party Time.

Caroline Kennedy was among the first to aid her 31-year-old cousin raise cash. In March, she held a $2,500 ...