23d Citizen E Germany before unification (4) ?S?I
27d A girl in Grenoble (5,5) ?I?L? ?E?N? Is it Fille ?
49a Thgumajig (4,3,4,2) WHAT-D?E-CALL-IT Is missing letter U
Thank you. Yes, you are right about 27d. It's actually 27d and 21d in crossword but I lumped it under one clue number. So JEUNE FILLE would be correct as you stated.