*Marmaduke de Thweng
born 1225 Kilton Castle, England
died December 1279 Castleton, England

father:
*Robert de Thweng
born 1202 Northern England
died about 1250 Northern England

mother:
*Matilda de Kilton
born about 1205 Northern England
died June 1279 Northern England

siblings:
unknown

spouse:
*Lucy Brus
born after 1240 Skelton, Yorkshire, England
died 1272 Castleton, England

children:
*Marmaduke de Thweng
born September 1256 Kilton Castle, England
died April 1322 Kilton Castle, England

biographical and/or anecdotal:

notes or source:
LDS
ancestry.com