The spelling of the name "Susanne Millen" is quite straightforward when using the International Phonetic Alphabet (IPA). "Susanne" is spelled /suˈzan/ with the "u" and "a" pronounced separately as "oo" and "ah" respectively. "Millen" is spelled /ˈmɪlən/ with a clear "i" sound in the first syllable and a schwa sound in the second. Overall, the spelling and pronunciation of this name are relatively common and easy to understand for speakers of English.