I found this link that has a map of the cemetery. Have you been there?
https://www.findagrave.com/cemetery/2331314/marlfield-plantation-cemetery
Here's some pictures of the Marlfield planation in Gloucester County:
https://bullitt2939.tumblr.com/post/72282107419/marlfield-plantation-ruins1732-gloucester-county
Oh and here's a youtube video of an Abandoned Nursing Home, Mathews VA; Marlfield Plantation, Gloucester Va;
https://www.youtube.com/watch?v=d8ki4F6qtfU
Enjoy!!