access another field through foreign key in filterset

Using Django Using the ORM
1 
class sales_summary_filter(django_filters.FilterSet):
    
    def __init__(self,request, *args, **kwargs):
   
        super().__init__(*args, **kwargs)
        self.filters['branch_name'].queryset = branch_profile.objects.filter(company_name=request.user.company_name)

    class Meta:
              
        model = sales_invoice
        fields= ('branch_name', )

<form method="get">
			<div id="filter_inputs" class="card filter-card">
				<div class="card-body pb-0">
					<div class="row">
						<div class="col-md-2">
							<div class="form-group">
								
									<label>Branch:</label>
									{% render_field filter.form.branch_name class="form-small form-control" %}
								
								
							</div>
						</div>
						</div>
				</div>
			</div>
		</form>

class branch_profile(models.Model):
    
 
    company_name=models.ForeignKey(company_profile,null=True,on_delete=models.CASCADE)
    branch_name=models.CharField(max_length=250)
    branch_name_ar=models.CharField(max_length=250)
 


    class Meta: 
        db_table = 'branch_profile'
    def __str__(self):
        return self.branch_name

class sales_invoice(models.Model):
    company_name=models.ForeignKey(company_profile,null=True,on_delete=models.CASCADE)
    branch_name=models.ForeignKey(branch_profile,null=True,on_delete=models.SET_NULL)
    voucher_no=models.CharField(max_length=200,null=True)
    


    class Meta:
        db_table = 'sales_invoice'

    def __str__(self):
        return self.voucher_no

how to get branch_name_ar into filterset from branch_profile
now i can only access branch_name into filterset