Yn Amsterdam, gofalodd teuluoedd lleol am ei chwaer ac yntau, yn agos at ble y bu Anne Frank yn cuddio. Roedd athro'r Dr Stern wedi gwadu ei fod yn yr ysgol pan ddaeth milwyr i chwilio amdano, ond ac yntau'n fachgen bach diniwed pum mlwydd oed, cododd ei law a dweud, 'Ond dw i yma'.
In Amsterdam, Dr Stern and his sister were taken in by Dutch families, close to where Anne Frank hid. Dr Stern’s teacher had denied his attendance at school when soldiers came looking for him, but as an innocent 5-year-old, he reached his hand up in the air and said, ‘But I am here’.