When Lena Dunham first read the script for Julia von Heinz’s “Treasure,” it hit home.

The “Girls” creator’s grandmother had just died at 96, and Dunham found herself thinking a lot about her heritage. “Treasure,” based on the 1999 novel “Too Many Men” by Lily Brett, follows Ruth (Dunham), a journalist who travels to Poland with her Holocaust survivor father (Stephen Fry) to confront their family’s tragic past. Not only did Dunham agree to star in the film, but her production company, Good Thing Going, signed on as well.

Both Dunham and her producing partner, Michael P. Cohen, are Jewish and found the story “incredibly resonant for both of our families,” Dunham tells Variety at Berlin Film Festival, where “Treasure” debuts on Saturday night.

“We both looked at each other after we read the script and went like, ‘This is something we’re going to be proud to tell our children that we made.