Hello
This is how I would spell them in Greek:
Babette Felicia Phillips Melwyn : Μπαμπέτ Φελίσια Φίλιπς Μέλουϊν
Josephine Avery Williams : Ζοζεφίν Έιβερι Γουίλιαμς
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Vasiliki Baskou, Instructor/Director, https://learn-greek-online.com.