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Greta Thunberg's little sister Beata Ernman will star in a musical alongside her opera singer mum, Malena Ernman.
The 14-year-old will portray a young version of French cabaret singer Édith Piaf - famous for the song 'Non, Je Ne Regrette Rien' - while her mother will play Piaf as an adult.
The musical, entitled 'Forever Pilaf', will premiere in Stockholm, Sweden, on 19 September.
Speaking to German news agency Deutsche Presse-Agentur, Beata said: "As long as I can remember, I have danced and sung.
"To be able to perform her [Piaf's] immortal music is a dream come true."
Greta - who takes her surname from father Svante Thunberg - has described Beata as 'super talented', which should perhaps come as no surprise given the artistic family she belongs to.
Mezzo-soprano mum Malena represented Sweden at the 2009 Eurovision Song Contest, performing 'La Voix'. Dad Svante is an actor and screenwriter and his dad Fritz-Olof Thunberg, is also an actor and voice actor.
So really it is Greta who has parted with family tradition, by the sounds of it.
The 17-year-old environmental activist will soon be the subject of a new BBC docuseries.
The series - which comes from BBC Studios' award-winning Science Unit - will follow her 'international crusade', which 'takes her on the front line of climate change in some of the most extraordinary places on earth, as she explores what actions could be taken to limit climate change and the damage it causes'.
BBC Studios' Science Unit announces series with Greta Thunberg.@bbcstudios' award winning Science Unit announces a brand new series with Swedish environmental activist @GretaThunberg at Showcase 2020 event.https://t.co/9Xgx3bs8Kw pic.twitter.com/vK9KnQh03Z
- BBC Studios Press Office (@BBCStudiosPress) February 10, 2020
A release from the BBC said: "Scientists across the world agree that global temperature rise needs to be limited to 1.5 degrees, to give us the best possible chance of avoiding irreversible chain reactions.
"Throughout the series a chorus of these experts will lay out the science that lies beneath this unambiguous statement.
"As she travels Greta meets not only leading scientists but political leaders and business heavyweights, exploring the scientific evidence with them and challenging them to change."
As yet, there is no confirmed release date for the series - the news of which came just a week after Greta was nominated for a Nobel Peace Prize, after being put forward by Swedish politicians Jens Holm and Hakan Svenneling of the country's Left Party.
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