# MoreLikeThis query on parent/children documents!

**URL:** <https://discuss.elastic.co/t/morelikethis-query-on-parent-children-documents/21814>\
**Category:** Elasticsearch\
**Created:** [January 24, 2015, 4:46am UTC](https://discuss.elastic.co/t/morelikethis-query-on-parent-children-documents/21814 "2015-01-24T04:46:42Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Evans](https://avatars.discourse-cdn.com/v4/letter/e/59ef9b/32.png) [@Evans](https://discuss.elastic.co/u/Evans)\
**Post date:** [January 24, 2015, 4:46am UTC](https://discuss.elastic.co/t/morelikethis-query-on-parent-children-documents/21814/1 "2015-01-24T04:46:42Z")

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Hi all,  
I have parent/child documents. How can i find parents documents which are similar to a given parent document "A" such that the MoreLikeThis query would use only all "children documents" for each parent to perform the query.

Thank you very much !!

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [July 6, 2017, 12:36am UTC](https://discuss.elastic.co/t/morelikethis-query-on-parent-children-documents/21814/2 "2017-07-06T00:36:50Z")

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