<sod >ÃÂÃÂ  Rockefeller was the last surviving grandson of Standard Oil founder John DÃÂÃÂ Rockefeller when he died in March 2017 at the age of 101.ÃÂÃÂ  He and Peggy had been married for more than 50 years.< eod>< sod > ÃÂÃÂ  Rockefeller was the last surviving grandson of Standard Oil founder John DÃÂÃÂ Rockefeller when he died in March 2017 at the age of 101.ÃÂÃÂ  He and Peggy had been married for more than 50 years when she died in 1996.ÃÂÃÂ  The couple amassed a vast collection of art, furniture, ceramics, statuary and decor.< eod>