In 1906 , he married Julia Rosenfeld , with whom he had three children .
He was a founding member of the Shop Assistants ' Union , serving as secretary from 1902 to 1907 and later as president .
In 1906 , member married Julia Rosenfeld , with whom member had three children .
He was a founding member of the Shop Assistants ' Union , serving as secretary from 1902 to 1907 and later as president .