Conversation so far:
Where was Herbert A. Simon born?
Herbert Alexander Simon was born in Milwaukee, Wisconsin
What do we know about Herbert A. Simon parents?
Herbert A. Simon's father, Arthur Simon, was a Jewish electrical engineer who came to the US from Germany in 1903 after earning his engineering degree from Technische Hochschule of Darmstadt.
What do we know about Herbert A. Simon mother?
Herbert A. Simon's mother, Edna Marguerite Merkel, was an accomplished pianist whose ancestors had come from Prague and Cologne.
Where did Herbert A. Simon get his interest in computers?
by 1954 Herbert A. Simon determined the best way to study problem-solving was to simulate it with computer programs, leading to his interest in computer simulation of human cognition.

Question: Did he have any siblings?
Self-contained rewrite: Did Herbert A. Simon have any siblings?