He converted to her faith of Judaism in 1985, having been raised an Episcopalian. After they graduated, they returned to South Jersey and settled down in Cherry Hill. They resided in Cherry Hill with their four sons until his death. In March 2011, Adler contracted a staph infection which resulted in endocarditis, leading to emergency heart surgery. He never recovered and died on April 4, 2011. In 2012, Shelley Adler unsuccessfully ran against Runyan for Adler's old U.S. House seat.