As per Wikipedia
Greta Thunberg was born on 3 January 2003 in Stockholm, the daughter of opera singer Malena Ernman and actor Svante Thunberg. Her paternal grandfather is actor and director Olof Thunberg.
Add the link if you can. I’m sure somebody beat me to this info (I learned it from someone else). But we can have a good thread of info on this latest ‘Climate Change’ scam.