The birth of Joan Dieffenbache

Joan Dieffenbache was born on December 9, 1937 in Yolo County, California.

Her father's last name is Dieffenbache, and her mother's maiden name is Fretwell. If Joan is still alive, she's now years old.

Her potential siblings include Ronald (born 1934), Marilyn (born 1945) and Sandra (born 1936).