Complex sentence: This was used originally to hold material left over from the funeral and material associated with the embalming of the king, after the initial robberies this material was either moved into the tomb proper, or moved to KV54.
Split into simpler sentences: This was used originally to hold material left over from the funeral and material associated with the embalming of the king. After the initial robberies, this material was either moved into the tomb proper, or to KV54.