Hi Wayne, thanks and all what I know about my mother Martha Volkart (maiden name) (Volkart-16), was married to my father Theophil Keller (Keller-4564), born in Windlach, Zuerich, Switzerland on 14-September-1913. Died in 1975. Her siblings Albert, married to Hedwig Volkart, Bertha, Marie plus others of which I don't know their names. If I'm not mistaken, their was a sister of my mother by name of Fanny (nick name?) who emmigrated to the USA. When and under what name I don't know. If it helps, please check out: https://www.myheritage.de/site-family-tree-239982261/keller