Who exactly would be considered all heirs to a property?

[Jocelyn Bernstein]

I’ve read the legal paperwork regarding what’s done in order to quiet the title on a tax lien property. 
My confusion is, how far back does people who hold interest go? 

I purchased a tax lien that was sold the next year with a “warranty deed” 

The lien was for 2022 taxes and the deed was transferred in 2023. 
prior to the transfer there is a long history of tax sales and different names paying taxes including a previous investor. 
how far back does the line of interest go and would the previous investor be considered someone who “holds interest” in the property? He bid on the taxes when the property was in someone else’s name. The reason behind this, is that this is family transferring property to one another.