Adelaida is the main character in Nabokov's "Ada or Ardor", she goes by Ada.
― Anonymous User 9/8/2021
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Gender: FeminineUsages: RussianPronunciation: ah-DEL-ah-ee-dahTranscription: Аделаида(Russian)Meaning: Russian form of ADELAIDE. This is used in Fyodor Dostoevsky's novels The Brothers Karamazov and The Idiot.(Information from name #360379 originally submitted by an anonymous user)
― Anonymous User 2/8/2021
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Also Russian, as is used in literary works and you will find bearers on social media. Spelt Аделаида and pronounced ah-del-ah-ee-dah.
Two of Fyodor Dostoevsky's characters bear this name: the middle Yepanchin daughter in "The Idiot", and the mother of Aleksey (Alyosha) and Ivan (Vanya) Karamazov in "The Brothers Karamazov".