If you intend on breeding these on purpose in the future, I'd set up the parents in another tank for the next spawn. If not, leave them all alone.
Rarely can you move a spawn and parents together with good results. If the fry aren't free swimming yet, you can take the spawning site and move it to a seperate tank. If the fry are free swimming, you can slowly siphon them and their water into another tank so you can feed them properly.
At some point, the fry most likely will either be eaten or starve in that sized tank without a good food source. Jewels can be good parents but you almost always get better spawns and hatchings when the fish are in a seperate tank with privacy.
Hope this helps