Conversation so far:
Where was Elton Wieman born?
Wieman was born in Tulare County, California, and raised in Los Angeles.
Who is Elton Wieman's father?
Elton Wieman's father was William H. Wieman, a native of Missouri and a Presbyterian minister.

Question: what's his brother's name?
Self-contained rewrite: What is Elton Wieman's brother's name?