Forum Post: display parent field values in the child fields,display grandparent field values in the grandchild using plugin or javascript

Hi friends, I have 3 entities country,state and district. State(child) entity has country(parent) lookup.country has 2 single line fields,i want to display 2 fields in child when country lookup is selected and saved. next In district entity I want to display country 2 fields when i select the state lookup. district has state lookup. How can we do it using plugin and Javascript?? Thank you!