Elsa Keslassy International CorrespondentSND is teaming up with Easy Riders Films to develop a premium limited series loosely based on “The Family,” Suzanne Privat’s best-selling investigative book on a French cult which has existed for more than 200 years.“The Family” is penned by rising French screenwriter Clémence Madeleine-Perdrillat, whose recent credits include “Nona and Her Daughters,” as well as the Amazon Original show “Mixte.” She led the writing team for season 2 of “In Treatment.”Set in Paris’s underworld, the thriller series will shed right on the rites and customs of this enigmatic religious sect from diverse perspectives, focusing on the experiences of those inside and outside the community. The book, whose French title is “La Famille, itinéraires d’un secret,” was published by Les Avrils editions in 2021.