Members of the Sackler family who own Oxycontin maker Purdue Pharma must pay billions of dollars to settle a flood of lawsuits over the harms of opioids, in a new deal formally approved by a federal bankruptcy judge.

The Sacklers must contribute up to $7 billion over 15 years. Most of the money will go to government entities to fight the opioid crisis, which has been linked to 900,000 deaths in the U.S. since 1999. Thousands of victims could be paid thousands of dollars each, with some distributions beginning next year for people who had OxyContin prescriptions and their survivors.

Read more: Here’s what’s in the opioid settlement against OxyContin maker Purdue and the Sackler family