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: "What is the birthdate of this King of England, son of Edward, the Black Prince, whose court companion was Robert de Vere, Duke of Ireland?" whose answer is 6 January 1367.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Edward, the Black Prince's son and King of England
Useful Output:

Doc 1: The Black Prince's son Richard would be selected by parliament as Edward III's official heir, and he was crowned Richard II of England on 16
Doc 2: Edward the Black Prince (1330-76) was the oldest son of Edward III (1327-77), and consequently heir to the throne.
Doc 3: Edward of Woodstock was born in – unsurprisingly – Woodstock, on June 15th 1330. He was the eldest son of King Edward III and Philippa of Hainault.
Doc 4: Edward of Angouleme was the prospective King Edward V of England. Son of Edward the Black Prince, grandson of King Edward III.
Doc 5: Edward of Woodstock (15 June 1330 – 8 June 1376), known to history as the Black Prince, was the eldest son and heir apparent of King Edward III of England.