Ackerman1920–1940নাম ও পদবিR. Ackerman, Henry Ackermanসময়রেখাBirth1920Death1940সম্পর্কভাই-বোনAckerman (1920–2020)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-1240