Ralph de Lumley, 1st Baron Lumley English Baron (1360–1400) Parents Margaret de Holand Marmaduke de Lumley Children Elizabeth de Lumley Thomas de Lumley Marmaduke Lumley unknown Lumley unknown Lumley unknown Lumley Sir John de Lumley Katherine Lumley unknown Lumley unknown Lumley unknown Lumley Margaret Lumley unknown Lumley Siblings Robert de Lumley Partners Eleanor de Neville