is this possible to relate two indexes in elasticsearch?

Iam new in elasticsearch.I integrated elasticsearch to my existing laravel app.

I have two tables.parents and childrens. When each parent created ,it create a document with index name parent.same as childrens.., each childrens created creates document with index name childrens. I want to map these two model in elasticsearch. how i will implement this. i used "tamayo/laravel-scout-elastic": "^3.0", to integrate with my laravel app. Please help.thanks in advance

via Chebli Mohamed