A second person has died in hospital after a crash on Mercer Ferry Road on September 30.
Leon Robert Idoine, 96, died on October 4, after his wife Mary, 96, died at the scene of the crash.
He was airlifted to Auckland Hospital by the Auckland Westpac Rescue Helicopter after the crash near the intersection of Douglas and Mercer Ferry Rds about 3.10pm.
Leon Idoine was trapped in the vehicle for some time before he was cut free by firefighters.
Police said the car went down a hill and hit a tree. The Serious Crash Unit is still investigating.