pork hock with great northern beans

fresh pork hock with great northern beans simmered together,
2 pork hocks,
1/2 lb. onions,
2 oz, celery,
3 oz. carrots,
6 garlic cloves,
1 lb. tomato,
1/2 c. dry white wine,
4 bay leaf,
2 tsp. thyme leaves,
8-9 oz. beans,
1/2 tsp. black pepper,
2 tsp. sea salt