I know that Magmarizer and Electrizer belong to the Electrivire and Magmortar family,and the Protecter belongs to the Rhypephior family,but I have no idea what the Reaper Cloth belongs to.
I take this to mean, "what are all the items that are evolving a particular Pokemon". Those items are listed here, and also here (up to date as of Gen 8).
Use from bag
Trade while holding
Level up
Spinning