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ATJ 138.1

Other Information about Children

Illinois · Illinois Supreme Court · Effective March 1, 2025

This form asks for extra details about the children involved in a divorce case. It asks questions about other children, past court cases involving the children, other court cases that might affect the divorce, other people who have custody of the children, and if the children have lived with another adult without either parent recently.

Open the official PDFfrom Illinois Supreme Court

Where this fits in a case

Start a case

Stage: Start a case

This form is used when a person files a Petition for Divorce with Children and checks 'Yes' to any question in Section 6 of that Petition.

Usually filed by the person starting the case.

Official instructions

How-to guides published by the court for this form.

Common questions

Who should file this form?
This form is used when filing the Petition for Divorce with Children, so the petitioner typically files it.
Does this form need to be filed alone?
No, the form must be filed with your Petition for Divorce with Children.

Revision history

No changes recorded since we started tracking this form on October 9, 2026. The current version took effect March 1, 2025.

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