This is part of a bigger cheat table
Try opening this one, attach to process and go to:
-> Enable Cheats
World Progression Flags
Revive and De-aggro Npc

Set the values you want to 0 to revive and reload the area with a homeward bone or something.

Author: Karlos_007

• Dark Souls - Remastered: Save Game (250 lvl, All armor and magic, NG+ after Anor Londo) [2018-Jun-07]
• Dark Souls - Remastered: Save Game (95 lvl, the final stage) [2018-Jun-05]