Instructions: Generate a correct and concise answer for the question based on the words in the context.
Input: Context : Maud de Badlesmere, Countess of Oxford (1310 -- May 1366) was an English noblewoman, and the wife of John de Vere, 7th Earl of Oxford.
Question : What is Maud de Badlesmere, Countess of Oxford's spouse's name?
Output:
John de Vere, 7th Earl of Oxford