# Can one parent type have multiple children types in one index?
**URL:** https://discuss.elastic.co/t/can-one-parent-type-have-multiple-children-types-in-one-index/21018
**Category:** Elasticsearch
**Created:** [December 2, 2014, 1:12am UTC](https://discuss.elastic.co/t/can-one-parent-type-have-multiple-children-types-in-one-index/21018 "2014-12-02T01:12:32Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@Min\_Zhou](https://discuss.elastic.co/u/Min_Zhou)
#### Post date: [December 2, 2014, 1:12am UTC](https://discuss.elastic.co/t/can-one-parent-type-have-multiple-children-types-in-one-index/21018/1 "2014-12-02T01:12:32Z")
Hi all,
From the source code, seems that one parent type can only have one child
type. Can one parent type have multiple children types in one index?
Min
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### Author:  [@Min\_Zhou](https://discuss.elastic.co/u/Min_Zhou)
#### Post date: [December 2, 2014, 5:37pm UTC](https://discuss.elastic.co/t/can-one-parent-type-have-multiple-children-types-in-one-index/21018/2 "2014-12-02T17:37:35Z")
Can anyone help me on this?
Thanks,
Min
在 2014年12月1日星期一UTC-8下午5时12分32秒，Min Zhou写道：
> Hi all,
>
> From the source code, seems that one parent type can only have one child
> type. Can one parent type have multiple children types in one index?
>
> Min
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [July 6, 2017, 12:46am UTC](https://discuss.elastic.co/t/can-one-parent-type-have-multiple-children-types-in-one-index/21018/3 "2017-07-06T00:46:32Z")