The Insider.com

Following the release of Whitney Houston's toxicology report, the late singer's family is now speaking out about the findings.

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"We are saddened to learn of the toxicology results, although we are glad to now have closure," Whitney's sister-in-law and former manager Patricia Houston told The Insider.

Whitney Houston's Cause of Death Revealed

According to the Los Angeles County Department of Coroner, the pop star died of drowning, and effects of atherosclerotic heart disease and cocaine use.

The report added that "marijuana, alprazolam (Xanax), cyclobenzaprine (Flexeril) and diphenhydramine (Benadryl) were identified but did not contribute to the death."