Franz Rogowski
Rogowski in 2018, photo by Denis Makarenko/Bigstock.com
Place of Birth: Freiburg im Breisgau, West Germany (now Germany)
Date of Birth: 2 February, 1986
Ethnicity: German, likely some Polish
Franz Rogowski is a German actor and dancer. His roles include the films Victoria (2015), Tiger Girl, Happy End (2017), Transit (2018), In the Aisles, I Was at Home, But; A Hidden Life, Black Milk, Undine, Great Freedom, Luzifer, Freaks Out, Passages (2023), Disco Boy, and Lubo.
Franz’s maternal grandfather was Michael Rogowski. Michael was born in Stuttgart and was a former president of Federation of German Industries.
https://de.m.wikipedia.org/wiki/Michael_Rogowski
German wikipedia says Michael was his maternal grandfather. Other sources just say grandfather.