2 cups dried great northern beans
5 cups chicken broth
3 cups water
1 meaty ham bone or 2 smoked ham hocks
2 to 3 tablespoons chicken bouillon granules
1 teaspoon dried thyme
1/2 teaspoon dried marjoram
1/2 teaspoon pepper
1/4 teaspoon rubbed sage
1/4 teaspoon dried savory
2 medium onions, chopped
3 medium carrots, chopped
3 celery ribs, chopped
1 tablespoon canola oil