This is for a relation between two objects that have a parent-children relationship.
In this particular case, I am keeping a list of addresses that belong to users. When one user modifies their address, the system marks the old address as obsolete and creates a new one. My question is how to describe this relationship using one adjective. The nuance that is more important for me is the fact that the old one is obsolete and that the new one replaced it (although it can also be made obsolete by a newer register). I thought some possibilities.
The old address sees the new one as its:
The new address sees the old one as its: