Detailed Instructions: Given a question and a context passage, generate the answer having the word or phrase from the context passage. Here, the answer should be a shortest continous span from the passage.
Q: Context: Thomas More Madden (1838 -- 14 April 1902) was an Irish physician and writer, son and biographer of Richard Robert Madden.
Question: Who is the paternal progenitor of Thomas More Madden?
A:
richard robert madden