How to delete the child document in the index

[Udayaprakash_S_10d (Udayaprakash S)]

i am new to the Elasticsearch .i want to delete the child document from the index ,i want the delete query for that

[warkolm (Mark Walkom)]

It's best if you don't create multiple topics for the same question

Delete child document without parent

i want to delete the child document in the index with out parent .i want delete query for this