Marmaduke de Lumley
Marmaduke de was born on September 4th, 1314 in West Chevington, Morpeth, Northumberland, England.  He died at the age of 51 on September 26th, 1365 in Little Lumley, Chester le Street, Durham, England.

 Margaret de Holand
Margaret de was born about 1340 in Hawes, Brackley, Northamptonshire, England.  She died after 1365.

 Robert de Lumley , Sir Knight
Robert de was born about 1357 in Little Lumley, Chester le Street, Durham, England.

 Ralph 1st\Last Baron de Lumley , Sir
Ralph 1st\Last Baron de was born about 1360 in Little Lumley, Chester le Street, Durham, England.  He died in Beheaded by citizens of Cirencester, Gloucestershire, England.