Gravensteun or Gravenstein: How To spell?

The word Gravensteun is misspelled against Gravenstein, a noun meaning "A kind of fall apple, marked with streaks of deep red and orange, and of excellent flavor and quality."

Word contains consecutive vowels 'EI' in between alphabets gravenst & n is misspelled as 'EU'
Wrong Spelling:  gravenst-eu-n 
Correct Spelling:  gravenst-ei-n 
Check more misspelled words of Gravenstein to spell it correct.