In a profound tragedy, Jackie Siegel, the star of "Queen of Versailles," has recently lost both her husband, David Alan Siegel, and her sister, Jessica Mallery, in mere days.

Daily Mail reported Queen of Versailles star Jackie Siegel's sister Jessica Mallery died from an accidental drug overdose on Monday, just two days after the death of Siegel's husband David.

The devastating news comes as another blow to the 59-year-old reality star, who previously lost her daughter Victoria to a drug overdose in 2015 at age 18.

Mallery, who was 43, died from cocaine laced with fentanyl, highlighting the ongoing drug crisis in America.

Siegel Family's Battle With Drug-Related Deaths

Jackie Siegel shared an emotional statement addressing her sister's sudden passing, emphasizing the devastating impact of the drug epidemic. Her sister's death particularly resonates with the family's previous loss of Victoria, demonstrating their repeated encounters with substance abuse tragedies.

The family has requested privacy during this difficult period while arranging for Jessica's organs to be donated to help others in their community.

David Siegel, founder of Westgate Resorts and Jackie's husband of 25 years, passed away on Saturday at age 89. Their relationship was prominently featured in the 2012 documentary "Queen of Versailles" and its follow-up series.

Together, they raised eight children and built what became the largest privately-held timeshare company in the world.

Following Victoria's death in 2015, the couple established the Victoria's Voice Foundation to combat drug addiction. The organization has actively advocated for extending drug rehabilitation treatment periods and increasing access to life-saving medication.

Legacy of David Siegel's Business Empire

Jackie shared the news of her husband's passing through Instagram, where she posted:

I was lucky enough to share twenty-five wonderful years with David, and together we raised eight incredible children. His life and legacy live on through them all. To say we are devastated is an understatement, but I find comfort in knowing that Victoria was there to greet him—the first thing he heard was "Dad," followed by a big hug.

David Siegel established Westgate Resorts in 1982 in Orlando, Florida. Under his leadership, the company expanded to become a major resort developer with more than 13,500 rooms across 22 resorts nationwide. His commitment to supporting military personnel led him to donate over 28,000 complimentary vacations to service members.

Anti-Drug Advocacy Following Family Losses

The Victoria's Voice Foundation, established by Jackie and David, has made significant strides in addressing drug addiction.

Their efforts have focused on extending standard rehabilitation treatment periods from 30 to 90 days to improve recovery outcomes. The organization has also worked with Congress to increase the availability of Naloxone, a medication capable of reversing opioid overdose effects.

Jackie's recent statement about her sister's death emphasized the ongoing fentanyl crisis plaguing the nation. The family's continued encounters with drug-related tragedies have strengthened their resolve to combat substance abuse through education, prevention, and improved access to treatment.

Their story has garnered widespread attention, leading to various media adaptations, including a Broadway musical that debuted in 2024. The family's journey from reality TV fame to anti-drug advocacy has resonated with audiences nationwide.

Double Tragedy Strikes Reality Star Family

Jackie Siegel, known for her appearance in Queen of Versailles and its subsequent series, lost both her husband, David Siegel, and sister Jessica Mallery within days of each other in April 2025.

The deaths highlight the family's ongoing struggle with drug-related tragedies, following their daughter Victoria's passing in 2015.

The family continues their work through the Victoria's Voice Foundation, advocating for improved drug rehabilitation programs and increased access to life-saving medications. While mourning their losses, they remain committed to preventing similar tragedies in other families through their anti-drug initiatives and public awareness campaigns.