Harold came to the Netherlands on January 4th, 1939 with a Kindertransport.
First he lived in the Dommelhuis in Eindhoven, in November 1939 he went to Wieringen. He also lived with his uncle Julius Metzger in Arnhem for a while.
His parents lived in Dortmund, Meinsterstr. 80. His father was a salesman in groceries. Their names were Lina Baum, born in 1891 in Dortmund, and Fritz Friedrich, born in 1889 in Dortmund. Friedrich was taken to Sachsenhausen in December 1938, and deported to an unknown place in February 1942.
Source: National Archive, 2.04.58, inv. 130 and others.
Addition