Yo I heard you liked parents in your parents

gistfile1.rb

# rails generate model region name:string parent_id:integer

class Region < ActiveRecord::Base
  belongs_to :parent, :class_name => self.to_s

  def parent_name
    parent.name  
  end

  def superparent_name
    parent.parent.name
  end
end


Region.create!(id: 1, name: 'level0')
Region.create!(id: 2, name: 'level1', parent_id: 1)
Region.create!(id: 3, name: 'level2', parent_id: 2)

Region.includes({:parent => :parent}).where(id: 3).first.superparent_name
#  Region Load (0.3ms)  SELECT "regions".* FROM "regions" WHERE "regions"."id" = 3 LIMIT 1
#  Region Load (0.2ms)  SELECT "regions".* FROM "regions" WHERE "regions"."id" IN (2)
#  Region Load (0.2ms)  SELECT "regions".* FROM "regions" WHERE "regions"."id" IN (1)
# => "level0"