I'm not entirely sure specifically which 'iron claw real family story' you're referring to. There could be many stories related to an 'iron claw' in various contexts, like in a fictional adventure where an iron claw is a weapon and the family story could be about the adventures of those who possess it, or it could be a nickname for a family member with a strong grip, so more context is needed.
The 'the iron claw real family story' might be a story that revolves around a family and an 'iron claw'. It could be that the iron claw is a metaphor for something that has held the family together or torn it apart. Maybe it's a family heirloom or something related to their work or a unique event in their history. For example, if the family was involved in a metalworking business, the iron claw could have been a special tool with a lot of stories attached to it.
Since I don't know the details of 'the iron claw real family story', I can't say for sure who the main characters are. But it could be the family members directly related to the iron claw situation, like the person who first acquired it, or those who were most affected by it.
I'm not entirely sure as it could be a very specific family story. It might be about a family's struggle, their rise to power or fame, or perhaps some unique traditions within the family that are as strong as an iron claw holds on to things.