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.
Problem:Context: Peregrine Bertie, 13th Baron Willoughby de Eresby (12 October 1555 -- 25 June 1601) was the son of Catherine Willoughby, 12th Baroness Willoughby de Eresby, and Richard Bertie. 
 Question: Which lady gave birth to Peregrine Bertie, 13th Baron Willoughby de Eresby?
Solution:
catherine willoughby, 12th baroness willoughby de eresby