The brother, sons and niece of epic swindler Bernard Madoff have agreed to an asset freeze in a lawsuit brought by the trustee winding down the Madoff firm, according to court documents filed on Friday.

The filings in U.S. Bankruptcy Court in New York said Madoff’s brother Peter Madoff, sons Andrew and Mark and niece Shana had agreed to disclose their finances within 30 days and disclose any changes monthly.

Read More: – Reporting by Grant McCool, Reuters