I need proof of the death dates for John Gurnee (Gurney) b 12/12/1729 d 2/8/1824 and his wife Abigail Coe Gurnee b 1/20/1744 d 4/17/1835. Could be buried in the Coe-Gurnee - Mt. Ivy Cemetery in Pomona. I need death certificate, cemetery records or picture of tombstones.