Marmaduke De LUMLEY
Marmaduke De was born on September 4th, 1314 in <Of, Raby With Keverstone, Durham, England>.  He died at the age of 51 on September 26th, 1365.

 Margaret De HOLAND
Margaret De was born about 1353 in <Of, Raby With Keverstone, Durham, England>.

 Ralph LUMLEY
Ralph was born in 1360 in <Of, Raby With Keverstone, Durham, England>.