How to make a relationship to two views
Assuming both views are showing the same page, it could be accomplished using something like this:


Using Views Field Views, create the second view as a child field of the first



  This module allows you to embed a view as a field in a view. A new
  field handler is made available, so this can also be used in area
  (header/footer/empty) handlers as well as rows.
  
  This view handler can accept arguments from fields of the parent view
  using tokens and pass them into the child view for each row. Raw or
  rendered token values can be used, as well as static values.



pass the arguments (instructions included in module) to the second view to ensure it is getting the correctly information
use Views Auto Refresh, Views Flag Refresh or Block Refresh - depending the exact set up you have and want to refresh the second view