Cliff Jackson died in 1970.
Cliff Jackson was born in 1902.
Jackson dies by cliff diving when he is with Ava. He never comes back up from the water when he dives into it. Read the book I heart you, you haunt me by Lisa Schroeder. If your looking for something to do with Percy Jackson, i have no idea.
Alfred Cliff died in 1966.
Cliff Chilcott died in 1970.
Cliff Hanley died in 1999.
Cliff Gladwin died in 1988.
Cliff Patton died in 2004.
Cliff Simpson died in 1987.
Cliff Leeman died in 1986.
Cliff Birch died in 1990.
Cliff Birks died in 1998.
Cliff Sterrett died in 1964.