John Alexander Duntze (1855-1909) (1855–1909) Parents Maria del Rosario Ramirez y Balasco John Alexander Duntze Children John Alexander Ralph Duntze George Douglas Duntze Irene Matilda Rosario Duntze Siblings Jane Harriot Duntze Gertrudia Juana Antonia Duntze Partners Irene Matilda Nunes