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In page Betty Boije:

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Betty Boije was the first noblewoman to be professionally active as a stage performer in Finland and Sweden.[citation needed] The profession was not regarded to be suitable for a member of the aristocracy in this time period. Although Betty Boije's father was indeed a nobleman, he was not rich, and her sister also supported herself as an artist (in her case a pianist). Betty Boije's widower Isidor Dannström, in his late biography over her, claimed she had never acted on stage and merely performed as a concert singer.