Joseph R. Biden III 1969 – 2015 Joseph R. “Beau” Biden III, former Attorney General of Delaware and eldest son of Vice President Joe Biden, died late May after fighting a long battle with brain cancer. He was 46. Biden was first diagnosed with brain cancer in August 2013 and an abscess was removed at the time. But this past May, he was admitted to the Walter Reed National … [Read more...] about Those We Lost