I have a group of Storch members in my Ancestry Public Tree titled "ArostStaub_2019". I was told of them by my late in-laws, Anna Fichtner/Fischman Staub and Leo Staub. I'm not sure how they were related, but it might give you a jumping off point. 
Happy hunting, Molly Arost Staub

RESEARCHING
Arost, Harast, Kharest - Dumbraveni, Soroki, Bessarabia and Lvov, Poland and Philadelphia
Berenson - Krasnoye, Ukraine, Great Britain and Philadelphia
Graffman/Groffman - Ukraine, Great Britain, and Philadelphia
Gershman - Ukraine, Great Britain and Philadelphia
Staub  and Fischman- Hungary and New York