Jacob Goudeketting was a son of Alexander Goudeketting and Elisabeth Cohen Bromet. He married 27 September 1933 in Amsterdam to Jansje Wegloop, a daughter of Salomon Wegloop and Sara Peeper. Jacob had two other siblings, Levie, and Bloeme, who also have been killed during the Holocaust.
City Archive of Amsterdam, archive card of Elisabeth Cohen Bromet and website www.wiewaswie.nl.