@Ronny, Thanks for posting in Q&A. If the devices are deployed via Autopilot Hybrid Azure AD joined enrollment method, this is an expected behavior to have two records.
Hope the above information can help.
If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.