Mae 'Weeping Window' yn un o ddau gerflunwaith a oedd yn rhan o'r gwaith 'Blood Swept Lands and Seas of Red' gan Paul Cummins Ceramics Limited ar y cyd â Historic Royal Palaces. Paul Cummins oedd yn gyfrifol am y pabïau a'r cysyniad gwreiddiol a Tom Piper a ddyluniodd y gosodiad.
Weeping Window is one of two sculptures taken from the installation Blood Swept Lands and Seas of Red – poppies and original concept by artist Paul Cummins and installation designed by Tom Piper – by Paul Cummins Ceramics Limited in conjunction with Historic Royal Palaces.