In a large saucepan, place the pig trotters and enough water to cover. Bring to a boil and using a sieve, skim the foam off the top for 10 minutes.
Strain and rinse the trotters with cold water.
Place the trotters in a large saucepan and fill with cold water. Add the remaining pork broth ingredients.
Bring to a boil and lower the heat so it slowly boils for 12 hours. Stir every often to prevent anything from burning.