Which of Bernie’s siblings was charged with looking after him?
Bernard H. Blieden was the middle child of Gussie Abramowitz and Harvey Blieden. They actually had 5 children but only 3 survived.
Bernie’s siblings are

Arthur, their Aunt Reve Blieden Bricker, Mildred (in back) and Bernie – circa 1919
Of the 2 that did not survive, one was named Joseph. The other we do not know.