Conversation so far:
Where was Aleksandr Solzhenitsyn born ?
Aleksandr Solzhenitsyn was born in Kislovodsk, RSFSR (now in Stavropol Krai, Russia).
What was the name of Aleksandr Solzhenitsyn's father ?
Isaakiy Semyonovich Solzhenitsyn

Question: What was the name of his mother ?
Self-contained rewrite: What was the name of Aleksandr Solzhenitsyn's mother ?