Marmaduke de Lumley
Marmaduke de was born on September 4th, 1314.  He died at the age of 51 on September 26th, 1365.

 Margaret de Holand
Margaret de is no longer alive.

 Sir Ralph Lumley 1st Lord
Ralph was born in 1375 in (Abt 1361).  He died at the age of 25 in January 1400.

 Robert de Lumley (b c1354, d unm 12.1375)