 A bold and decisive leader , Arnold was elected for two additional terms as governor , the last time following the devastation of King Philip 's War . He died on 19 June 1678 while still in office , and was buried in the Arnold Burying Ground , located on Pelham Street in Newport . In his will he left to his wife his " stone built wind mill , " which still stands as an important Newport landmark . His many descendants include General Benedict Arnold , best known for his treason during the American Revolutionary War , and Senator Stephen Arnold Douglas who debated Abraham Lincoln in 1858 , and lost to him during the 1860 presidential election . 
