For instance, can you create a search for issue with the Issue link type of Clone?
Or you can use scriptrunner plugin: Check out the JQL functions regarding issue links:
https://jamieechlin.atlassian.net/wiki/display/GRV/Scripted+JQL+Functions#ScriptedJQLFunctions-IssueLinks
You can use JQL Tricks plugin to do these kind of search.
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