Conversation so far:
When was Georgette Heyer born?
Georgette Heyer was born on August 16, 1902.
Did Georgette Heyer have siblings?
Heyer was the eldest of three children; her brothers George Boris and Frank were four and nine years younger than she.
Any information about Georgette Heyer's parents?
During the war, Georgette Heyer's father served as a requisitions officer. Her mother, Sylvia Watkins, was one of the top three students at Royal College of Music.
Where did Georgette Heyer grow up?
For part of Georgette Heyer's childhood, the family lived in Paris but they returned to England shortly after World War I broke out in 1914.

Question: What did her father do?
Self-contained rewrite: What did Georgette Heyer's father do?