This is the 7816th most frequent Russian word.
йоханнеса
"Йоханнеса" is the genitive case of "Йоханнес," a Russian transliteration of the name "Johannes," meaning "of Johannes" or "Johannes's."
'Йоханнеса' is the genitive or accusative form of the name 'Йоханнес', used here to indicate missing presence.
Йоханнеса не было на собрании.
Johannes was not at the meeting.
'Йоханнесу' is the dative form of the name 'Йоханнес', used here to indicate the recipient of the action.
Он позвонил Йоханнесу вчера вечером.
He called Johannes yesterday evening.
'Йоханнеса' is the accusative form of the name 'Йоханнес', used here as the direct object of the sentence.