Bunnan took his family to Macau to seek refuge. On their way to join him, his sister and her family were on board a civilian ferry when it was sank by the Americans, believing there were firearms on board. Everyone on board was killed. Fearing she would take the news badly, His mother was never told about her death. She believed her daughter had emigrated to the USA for the next 25 years until her death. Bunnan regularly sent her letters and money in his sister’s name.