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: "How many Royal families did Empress Matilda belong to?" whose answer is 24.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Empress Matilda's royal status
Useful Output:

Doc 1: Empress Matilda, daughter and heir of Henry I, mother of Henry II, and ultimately unsuccessful claimant to the throne of England in her own right, is often
Doc 2: Empress Matilda , also known as the Empress Maude, was one of the claimants to the English throne during the civil war known as the Anarchy.
Doc 3: Sent away aged eight to match with the Holy Roman Emperor, she represented status for her father and money for her intended. However, Matilda
Doc 4: Here we look at the career of Empress Matilda, the 12th-century contender for the English throne, and her struggle against her rival King Stephen.
Doc 5: My Matilda, also known as Maud, was the only legitimate surviving child of Henry I of England, and was made his heir.