Purdue Pharma, the embattled pharmaceutical company at the center of the opioid crisis, has paid more than $17.5 million in legal fees on behalf of the Sackler family to more than a dozen law firms, according to new documents filed in the company’s bankruptcy.

Debevoise & Plimpton was paid the majority of that legal spend—more than $11.4 million—for its legal work for the Sacklers from the first half of 2018 through early 2019, according to an audit filed Monday in the U.S. Bankruptcy Court in the Southern District of New York, where the company is undergoing Chapter 11 restructuring,