# \[DONE\] Siblings as Children of Parents: filter self

**URL:** https://community.fibery.io/t/done-siblings-as-children-of-parents-filter-self/981
**Category:** Get Help
**Created:** [September 16, 2020, 1:35am UTC](https://community.fibery.io/t/done-siblings-as-children-of-parents-filter-self/981 "2020-09-16T01:35:05Z")
**Posts on this page:** 1
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### Author: ![Chr1sG](https://sea2.discourse-cdn.com/flex020/user_avatar/community.fibery.io/chr1sg/32/3941_2.png) [@Chr1sG](https://community.fibery.io/u/Chr1sG)
#### Post date: [September 16, 2020, 6:56am UTC](https://community.fibery.io/t/done-siblings-as-children-of-parents-filter-self/981/2 "2020-09-16T06:56:37Z")

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I think this will eventually be possible by using a formula field, when the option to refer to self in a formula becomes possible (it was requested here at some point but I can’t find it at the moment).

So for example, a type with a relationship to itself (parent-children) can have a lookup field (Siblings) which is:  
Siblings: Parent -\> Children  
which as you say, returns all children including itself.

But then use a formula that filters out itself:

Siblings excl : Siblings.filter(Name != this.Name)

@mdubakov @antoniokov  
Is self-referring on the horizon?

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