Elsa Keslassy International CorrespondentSwedish broadcaster TV4 and its pan-Nordic streaming service C More are joining forces with Åsa Lantz, the author of “Selma,” to develop an untitled “Crown”-style drama series about the Swedish royal family and current monarch King Carl XVI Gustaf.The series is being developed by Banijay-owned production banner Filmlance, producer of the original Nordic Noir milestone “Bron”/”Broen” (“The Bridge”), along with TV4 and C More.