Conversation so far:
When was Georgette born?
Heyer was born in Wimbledon, London, in 1902.
Did she have siblings?
Heyer was the eldest of three children; her brothers George Boris (known as Boris) and Frank were four and nine years younger than her.
any information about her parents?
Her mother, Sylvia Watkins, studied both cello and piano and was one of the top three students in her class at the Royal College of Music.
Where did she grow up?
For part of her 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?