On 25 January 2004, he married his companion of nearly 16 years, Bonnie S. Englebardt. He also had two stepdaughters, Danielle Englebardt and Lara Englebardt Metz with Bonnie; and 13 grandchildren. Lautenberg resided in Montclair, New Jersey for much of his Senate career and last resided in nearby Cliffside Park. Health On February 19, 2010, his office announced that Lautenberg had been diagnosed with a diffuse large b-cell lymphoma (an aggressive but curable blood cancer that appears in organs like the stomach) at Mount Sinai Medical Center in New York. He had been hospitalized with profuse gastric bleeding following a fall in his Cliffside Park, New Jersey, home shortly after returning from a Haiti trip with a 12-member Congressional delegation. He was released from the hospital on February 25, 2010. Six to eight chemotherapy treatments of the intensive R-CHOP regimen followed every 21 days over several months, and a doctor for Lautenberg at the time said a full recovery was expected. Lautenberg continued his Senate work between treatments. On June 26, 2010, the senator announced that he was cancer-free. Wealth In 2010, Lautenberg's wealth was estimated to be between $55 million and $116.1 million, making him the fifth-wealthiest Senator. Lautenberg began collecting modern art after his election to the Senate, much of which was sold after his death. Death Lautenberg died at NewYork–Presbyterian Hospital in Manhattan on June 3, 2013, of viral pneumonia. He was 89. Lautenberg was returned to Washington by an Amtrak funeral train. "Amtrak is honored to be chosen to carry him back to Washington, D.C. one final time," wrote Amtrak Chairman Tony Cosica and President/CEO Joseph Boardman in a joint public statement of condolence, "thank you Sen. Lautenberg for your service to the nation." On June 6, 2013, his body lay in repose atop the Lincoln Catafalque within the Senate chamber at the Capitol. He was buried on June 7, 2013, with full military honors at Arlington National Cemetery. Congress passed on September 20, 2013, a spending bill, H.J.Res.59 – Continuing Appropriations Resolution, 2014, that included a $174,000 tax-free death benefit payment to his widow. An annual salary payment to the widow or family member of a deceased lawmaker is a long-standing tradition for the United States Congress going back to the 1800s. Succession On June 4, 2013, Governor Chris Christie announced that a special election to fill the vacant Senate seat would be held on