Married couple.
Source:
https://gw.geneanet.org/jacques5945?n=chrispeels&oc=&p=edmond
I don't know why it says "Marcel Jacquet et fils" ("and son") in the bottom right corner of the stone. I have a feeling it may mean that they're buried there, so I don't want to enter them into the system. I'm flagging the photo in the hope that someone can figure it out.