The name "Hedwynn" is spelled in English using the IPA phonetic transcription as [hɛd.wɪn]. The "h" at the beginning is pronounced normally, followed by a short "e" sound. The "d" and "w" sounds are pronounced together, with the "w" sound coming after the "d". The last syllable is pronounced with a short "i" sound and an "n" sound at the end. The spelling of "Hedwynn" reflects the unique combination of sounds present in the name.