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In page Suzannah Ibsen:

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Suzannah raised her son Sigurd single-handedly without the help of a nurse, in a way that she hoped would toughen him up. To her husband, she was a 'nanny' (as described by Bjornson) and encouraged him to write his plays even when he had lost hope as well as when he wished to divert his attention to painting. She apparently forced the pen into his hand at times, and she was the inspiration for many of Ibsen's famous characters including Mrs Alving from Ghosts, Nora from A Doll's House, and Mother Åse from Peer Gynt. Suzannah was so like the characters she inspired in fact, that when Ibsen read out Peer Gynt to his family and reached Mother Åse's lines, Sigurd cried out "But that's Mama!").