Customize connections

I’m trying to add a connection on customized doctype called “persons” it’s like a card for persons(wife-husband) details and i create another doctype called "family " which have multi link field with “persons doctype”
I know how to add connection from customize links and action but my question is that i want to make connection on every persons with the families he or she linked to
so the family connection on person card should be in multiple fields
how i can do this please

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could you explain it a bit more? if possible share the screenshot?

this is the first doctype and the one i want to make the connection on it which contain all the details of each person added to the system

this is the family card wich contains the wife and husband and both of them are linked field to persons

what i want to do is to add one connection on person doctype to see the family he linked to it