from django.db import models class People(models.Model): name = models.CharField(max_length=255) class Message(models.Model): from_field = models.ForeignKey(People, db_column='from_id') class PeopleData(models.Model): people_pk = models.ForeignKey(People, primary_key=True) ssn = models.CharField(max_length=11) class PeopleMoreData(models.Model): people_unique = models.ForeignKey(People, unique=True) license = models.CharField(max_length=255)