Sir Thomas Lancaster, 1st Duke of Clarence and Margaret Holland, Duchess of Clarence Family

• Male Sir Thomas Lancaster, 1st Duke of Clarence

  
  

  Birth	1387	London, Middlesex, England
  Death	22 Mar 1421	Battle of Baugé, Baugé, Maine-et-Loire, Pays de la Loire, République française
  Burial
  Marriage	Dec 1411
  Father	Henry Lancaster, IV King of England and Lord of Ireland | F3935 Group Sheet
  Mother	Mary de Bohun | F3935 Group Sheet

  
  

  Female Margaret Holland, Duchess of Clarence

  
  

  Birth	1385	Up Holland, Lancashire, England
  Death	31 Dec 1439	Bermondsey, Surrey, England
  Burial		Canterbury, Kent, England
  Other Spouse	John de Beaufort, Marquess of Somerset and Dorset | F5381
  Marriage	28 Sep 1397	Up Holland, Lancashire, England
  Father	Thomas Holland, 2nd Earl of Kent, 3rd Baron Holand | F7355 Group Sheet
  Mother	Alice FitzAlan | F7355 Group Sheet