Where does “Uldonia” come from?

Uldonia (German) comes from Latin Ultōnia, from Old Irish Ulaid — Ulster; Ulidians, Ulstermen.

Ancestry of “Uldonia”, step by step

StepLanguageWordMeaning
1LatinUltōnia
2Old IrishUlaidUlster; Ulidians, Ulstermen
Every word from Old Irish UlaidEvery word from Latin Ultōnia