Question: When is Harry Brodribb Irving's father's birthday?
Sentence (from "Harry Brodribb Irving"): Harry Brodribb Irving (5 August 1870 – 17 October 1919), was a British stage actor and actor-manager; the eldest son of Sir Henry Irving and his wife Florence (née O'Callaghan), and father of designer Laurence Irving and actress Elizabeth Irving.
Relevant evidence: Yes