Ackerman1920–2020Names and SurnamesE. Ackerman, Ruth Ackerman, E. Osborn-Crawford-WelchTimelineBirth1920Death2020RelationsChildrenOsborne (1940–2010)Crawford (1940–2010)SiblingsAckerman (1920–1940)Ackerman (1920–1950)Ackerman (1930–1970)Ackerman (1920–1990)Half-siblingsWilliams (1910–1990)Williams (1910–1930)ParentsAckerman (1870–1960)Parsley (1890–1970)Sourceswikitree Ackerman-1137