1案由彭某，女性，67岁，武汉某厂退休工人，曾有一孪生姐姐早年因家境贫困，出生两个月后（1928年）姐姐被送到当时的慈善机构“养生堂”，后被人收养，取名周某．1956年，彭曾请求组织查找姐姐下落但无结果．1995年，彭家女儿偶然遇到周某并误认是自己的母亲，彭家儿子的同事也 1 case by Pengmou, female, 67 years old, a factory in Wuhan retired workers, there was a twin sister in his early years due to family poverty, two months after his birth was sent to the then charity “Yangshengtang” Be adopted, named Zhou. In 1956, Peng had asked the organization to find the whereabouts of her sister but without result. In 1995, Peng’s daughter happened to encounter Zhou and mistakenly believe that he was his mother, Peng’s son’s son also