Wedding crossword

123456
Across
  1. 3. Ned and Alice; Kaya and Elif
  2. 5. Eight kings, Pinfold, and Oliver's brother
  3. 6. New book?
Down
  1. 1. Five-time World Cup winners
  2. 2. Fleur de ___?
  3. 3. Cowardly
  4. 4. Two-letter code typically used for Germany