1: This year , Forbes estimated his net worth at $ 3.1 billion , and the company 's U.S . malls generate average annual sales of $ 809 per square foot , according to the company 's website . 2: According to a statement by Robert Taubman , the patriarch had dinner in his home in Bloomfield Hills , Michigan , on Friday , then died of a heart attack . 3: Alfred Taubman , who died Friday , was active in philanthropy and worth an estimated $ 3.1 billion .
1: This 2: the patriarch 3: Alfred Taubman , who died Friday