Complex sentence: He died a few hours later in the early hours of March 6,1967, at the age of 65 and was interred at Hollywood Forever Cemetery, next to his wife, Ann, who survived him by 20 years.
Split into simpler sentences: He died a few hours later in the early hours of March 6,1967, at the age of 65. He is interred at Hollywood Forever Cemetery, next to his wife, Ann, who survived him by 20 years.