Conversation so far:
Is there a written biography of Leo Fender?
Leo Fender: The Quiet Giant Heard Around the World
Where was Leo Fender born?
Anaheim, California
Does Leo Fender have any siblings?
In addition to his wife, Fender is survived by a sister, Wilda Gray of Anaheim.
When was Leo Fender born?
Clarence Leonidas Fender (Leo) was born on August 10, 1909

Question: What were his parents names?
Self-contained rewrite: What were Leo Fender's parents names?