Madoff’s sister, 87, and her husband who died in suspected murder-suicide were also fraud victims

The sister of Ponzi king Bernie Madoff and her husband – who were found dead in a murder-suicide – were reportedly among the many victims swindled by the notorious fraudster, losing $3 million and forcing  the couple to sell their luxury home at a loss. 

Sondra Wiener, who died Thursday at age 87,  and husband Marvin Wiener, 90, were financially ruined by her brother’s scam, her family said.

‘She lost millions in this whole thing,’ a source told the New York Post in 2009.

Added their son David: ‘My family’s a victim. More so than anybody else. It’s very painful.’

The scam prompted the couple to sell their 3,400-square-foot home in Florida’s exclusive Palm Beach Gardens for $575,000 in 2009. They took a $75,000 loss on the home after paying $650,900 for it in 2003, according to…