Paul-Henri Nargeolet, 77, who died in the submersible tragedy in the Atlantic on June 18, spent decades working with RMS Titanic Inc which owns the sole salvage rights.
The great-granddaughter of Titanic bedroom steward Percy Thomas Ward said: I deplore the fact Titanic has become a tourist attraction. It is a graveyard and should be left in peace and respect.
"Would you open up graves at a grave site and rob it? I would certainly hope not!" one descendant tells Inside Edition. "And that's exactly what they are doing on the Titanic."