_Randolph Chamberlin _ _Charles Francis Chamberlin _| | |_Ann Perrine _________ _Walter Chamberlin ___| | | ______________________ | |_Josephine Applegate ________| | |______________________ | |--Josephine Chamberlin | | ______________________ | _____________________________| | | |______________________ |_Estelle Vandenbergh _| | ______________________ |_____________________________| |______________________