Ackerman1920–2020নাম ও পদবিE. Ackerman, Ruth Ackerman, E. Osborn-Crawford-Welchসময়রেখাBirth1920Death2020সম্পর্কসন্তানOsborne (1940–2010)Crawford (1940–2010)ভাই-বোনAckerman (1920–1940)Ackerman (1920–1950)Ackerman (1930–1970)Ackerman (1920–1990)সৎ ভাই-বোনWilliams (1910–1990)Williams (1910–1930)বাবা-মাAckerman (1870–1960)Parsley (1890–1970)উৎসwikitree Ackerman-1137