Return beans to boil and add more water to cover beans 3-4 inches of water. Simmer slowly for 1 hour.
Add ham bone and diced ham. A little broth from ham is good too. Continue to simmer a couple more hours.
During the last 30 minutes, turn heat up to soft boil leaving the lid off and add salt to taste.
Boil to thicken Broth.
Serve with cornbread.