It begins with Fritz Von Erich (Holt McCallany), who wrestled in the 60s.
In the case of the Von Erich family, that meant four brothers were all the film could handle.
Youngest brother Chris Von Erich, who took his own life at age 21, is not included.

(L-R) Jeremy Allen White, Harris Dickinson and Zac Efron in ‘The Iron Claw’Brian Roedel / A24 /Courtesy Everett Collection
Writer-directorSean Durkindoes not shy away from the family tragedies though.
David died of an intestinal rupture that may have been due to wrestling injuries.
Durkin had followed the Von Erich family as a child wrestling fan.

I could tell you a wrestling timeline of each of the boys for a decade.
To try and separate myself from that and be like, okay, its not important to the story.
These matches are important to the story.
This match is a mixture of these two matches.
Theres a mixture of historical truth in them but then making them fit the narrative as well.
Click below to read Durkins script.