Gittel/Gertrude Gottschalk was born in 1851 and died in 1937 in Duluth MN. Her father was Jacob Klashoff according to her death record. Gittel had a sister Leah/Lena/Lenetta, b. in Tukums, Latvia, who died in 1920 in MN. Leah was married to Ben Zion Blumenfeld. Date of immigration for both sisters was 1884.
Gittel married Max Zalk in Duluth MN in 1898 and they had daughters Sarah and Eva. Sarah married Robert Buchman and Eva married Jake Wilk. Sarah and Robert moved to NYC in 1919. Their children were Moses Robert (pediatrician, Scarsdale NY), Sidney Robert (famous screenwriter), Marian Lamm (husband Herbert, Chicago), and Harold (also a screenwriter).