| Name | Gender | Pronounced | Usage |
|---|---|---|---|
| Amalthea | - | Greek Mythology (Latinized) | |
| Sieuwerd | SOO-ərt | Dutch | |
| Roderick | RAHD-ə-rik (English), RAHD-rik (English) | English, Scottish, Welsh | |
| Mia | MEE-ah (Swedish, Norwegian, Danish, Dutch, German), MEE-ə (English) | Swedish, Norwegian, Danish, Dutch, German, English | |
| Adde | - | Frisian | |
| Allyn | AL-in | English |