Possible Clues:

• Author of the novel 'Don Quixote'
• Mistakenly cast Verne as dramatist turned novelist
• Author to look after female relations, might one be hearing?
• Foreign author’s verse can’t, if translated
• Miguel de --, author of the novel 'Don Quixote'
• Don Quixote creator
• Author can't serve bananas
• Seven-act plays comprising run for writer
• Author to wait on female relatives might you say?
• Somewhat nicer van test for Spanish writer