1. Place beans in a large Dutch oven; add water 2 inches above beans. Boil 1 minute; cover, remove from heat, and let stand 1 hour. Drain.
2. Cook sausage and ham in hot oil in Dutch oven over medium-high heat 8 to 10 minutes or until browned. Drain sausage and ham on paper towels, reserving 2 Tbsp. drippings. Add celery and next 8 ingredients to drippings; cook over low heat, stirring occasionally, 15 minutes.
3. Add broth, beans, sausage, and ham to Dutch oven. Bring to a simmer. Cook, stirring occasionally, 2 hours or until beans are tender. Discard ham hock and bay leaves.