You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "Name the mother of Edward Stafford, 4th Baron Stafford, who was the daughter of the English nobleman and politician Edward Stanley, 3rd Earl of Derby?" whose answer is Mary Stanley.
Each document should contain about 30 words, and these documents should contain useful information.

Query: mother of Edward Stafford, 4th Baron Stafford
Useful Output:

Doc 1: Baroness Maria Stafford (Stanley). Birthdate: circa 1538. Birthplace: of, Lathom House, Lancestershire, England.
Doc 2: Biography. Born on the 17th of January 1536, Edward Stafford was the fourth son of Henry 1st Baron Stafford and his wife, Ursula Pole.
Doc 3: Edward had 2 children: Henry Stafford 1st Baron Stafford and Elizabeth Howard Duchess of Norfolk. His occupation was a duke. Edward passed away on May 17
Doc 4: She is thought to have been his mother's  Edward Stafford-2772 (4th Baron Stafford) is correct as a son of Edward & Mary Stafford.
Doc 5: Husband of Isabel Forster Father of Edward Stafford; Viscountess Mary, 1st Countess Stafford and Henry Stafford 5th Baron Stafford Brother