A spoiler-free family tree for the Netflix series Dark . Here's a family tree I made of the main characters. Red lines: Mariage or relationship that produced a child Black lines with arrows: parents (if dotted line, adoptive parent) Black lines without arrows: siblings The Netflix series " Dark " features one of the most complex family trees in TV history, spanning multiple timelines, paradoxes, and alternate worlds. The key families—Nielsen, Doppler, Tiedemann, and Kahnwald—are deeply interconnected, often in ways that defy conventional genealogy due to time travel.