class Companies(models.Model) user = models.ForeignKey(User) company_name = models.CharField(max_length=200) dealing = models.ForeignKey(Dealings) class Dealings(models.Model) dealing_number = models.CharField(max_length=200) dealing_item = models.ForeignKey(DealingsItem) class DealingsItem(models.Model) propfield = models.CharField(max_length=200) """ The problem is that the request should go on Dealing Dealing.objects.select_related().filter(dealing_number__startswith=201) But still I need to do filter by company name """