Family: Marmaduke de Thweng / Isabel de Ros (F9364)

• Father | Male Marmaduke de Thweng

  
  

  Born	Abt 1250
  Died	Bef 26 Feb 1323
  Buried
  Married	1273
  Father	Marmaduke de Thweng | F9365 Group Sheet
  Mother	Lucy de Brus | F9365 Group Sheet

  
  

  Mother | Female Isabel de Ros

  
  

  Born	Abt 1268
  Died	1309
  Buried		Guisborough Priory, North Riding Yorkshire, England
  Father	Sir William de Ros of Ingmanthorpe | F9218 Group Sheet
  Mother	Eustache FitzRalph | F9218 Group Sheet

  
  

  Child 1 | Female Lucy de Thweng

  
  

  Born	Abt 1290
  Died
  Buried
  Spouse	Sir Robert de Lumley | F9357
  Married	Bef 1314