| Name | Gender | Pronounced | Usage |
|---|---|---|---|
| Gvidas | - | Lithuanian | |
| RÉGulo | RE-goo-lo (Spanish) | Spanish, Portuguese | |
| Beryl | BER-əl | English | |
| Lennart | LE-nahrt (Low German) | Swedish, Danish, Norwegian, Low German, Dutch | |
| Rudolf | ROO-dawlf (German), RUW-dawlf (Polish) | German, Dutch, Swedish, Norwegian, Danish, Polish, Czech, Hungarian, Slovene, Croatian, Russian, Arm | |
| Cepheus | - | Greek Mythology (Latinized) |