"Last summer, Ms. Jurczak agreed to sell her stake in the home to the Counter Extremism Project, a New York-based group that wants to open the house to visitors. She moved out in August, and in October the New York group completed its acquisition of the home and an adjacent house built after the war...

Mark Wallace, a lawyer and former U.S. diplomat who is the chief executive of the Counter Extremism Project, also declined to give the price, saying only that once other family members were paid for their stakes in the property, the total price was “significantly more” than what Ms. Jurczak had indicated. He also said his organization “wanted to do right” by Ms. Jurczak’s family but “did not want to pay a big premium for a former Nazi property, even if we could.""