# Parent Child Mapping **URL:** \ **Category:** Elasticsearch\ **Created:** [May 18, 2018, 1:29pm UTC](https://discuss.elastic.co/t/parent-child-mapping/132493 "2018-05-18T13:29:23Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![die\_seltsame](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/die_seltsame/32/29303_2.png) [@die\_seltsame](https://discuss.elastic.co/u/die_seltsame)\ **Post date:** [May 18, 2018, 1:29pm UTC](https://discuss.elastic.co/t/parent-child-mapping/132493/1 "2018-05-18T13:29:23Z")
How to create parent child mapping with existing Index using Nest 6? ---
**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\ **Post date:** [May 20, 2018, 9:05am UTC](https://discuss.elastic.co/t/parent-child-mapping/132493/2 "2018-05-20T09:05:44Z")
You cannot, you need to start with a new index and mapping. ---
**Author:** ![die\_seltsame](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/die_seltsame/32/29303_2.png) [@die\_seltsame](https://discuss.elastic.co/u/die_seltsame)\ **Post date:** [May 20, 2018, 2:58pm UTC](https://discuss.elastic.co/t/parent-child-mapping/132493/3 "2018-05-20T14:58:11Z")
I want to create index with some settings for analyzer, so I should create index, add settings and than add mapping. For simple indices without parent child relationship I can do this. Thank you for the answer ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [June 17, 2018, 2:58pm UTC](https://discuss.elastic.co/t/parent-child-mapping/132493/4 "2018-06-17T14:58:16Z")
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