How do I destroy a instance?

Hey guys, i want to do something like that. "if instance x destroyed, destroy instance x+1,x+2,x+3... construct2". The game create 6 instances of a object in a row, and i want to do if one of them is overlapping other object destroy the instance is overlapping and the others, but keep the first.

Create a family, add this sprite to the family.

Then you will be able to do this:

If Sprite overlapping Family : Family destroy