Hello, the Ewald Benninghaus built in Köln quite numerous series of the coastal cargo motoships (Kümo) in 1934-1941. These were:

Yd# Year grt Name
587 1934 212 JAN
593 1935 211 LUHE
606 1936 199 ADELE
628 1936 210 ST. ANTONIUS
629 1937 210 STORTEBEKER
630 1937 211 HELGA
638 1937 212 JOP
639 1937 212 OTTO
641 1937 212 GESINE
645 1938 212 GRETE ADELE
646 1938 212 ESTE
647 1938 212 HEIMATLAND
648 1938 212 HORST
655 1939 212 WOLF
656 1939 211 MERKUR
658 1939 211 GISELA
673 1940 211 SEEROSE
674 1941 211 GRAUERORT
675 1939 211 DITE KORNER

Best regards, Kris.