Conversation so far:
Where are Jerry Garcia's ancestors from?
Jerry Garcia's ancestors on his father's side were from Galicia in northwest Spain.
Where else are Jerry Garcia's ancestors from besides Galicia in northwest Spain on his father's side?
Jerry Garcia's mother's ancestors were Irish and Swedish.
What was Jerry Garcia's father 's name?
Jerry Garcia's father's name was Jose Ramon Joe Garcia.
what was Jerrry Garcia's mother's name?
Jerry Garcia's mother's name was Ruth Marie Bobbie née Clifford.
Where was Jerry Garcia born?
Jerry Garcia was born in the Excelsior District of San Francisco, California.
What date was Jerry Garcia born on?
Jerry Garcia was born on August 1, 1942.
Did Jerry Garcia have any siblings?
Jerry Garcia was the second child, preceded by brother Clifford Ramon Tiff, who was born in 1937.
What happened to Jerry Garcia as a child?
Two-thirds of four year-old Jerry Garcia's right middle finger was cut off by his brother in a wood splitting accident.

Question: when was his brother born?
Self-contained rewrite: when was Jerry Garcia's brother Clifford Ramon Tiff Garcia born?