According to the official files Gertrude was born Henriette Gertrude Goerke, on 03.05.1879 in Dresden.
She married Alfred Sommerguth 17.01.1923 in Dresden (second marriage?).
They left Germany on 25.03.1941 and were expatriated on 15.05.1941, became american citizens in the end of 1948, living in New York City.
Alfred Sommerguth died 15.10.1950 and his widow 8.04.1954.
There was a daughter named Else (after Alfred’s sister, by a first wife? or Gertrude’s of a first husband? unlikely to have changed the name, with Else’s age at the time of marriage), born 22.09.1892 in Erfurt, later married Adler, living in Rio de Janeiro by 1953.435