Family: William VI of Montferrat, Marquess of Montferrat / Berta of Clavesana (F5242)

• Male William VI of Montferrat, Marquess of Montferrat

  
  

  Birth	Abt 1173
  Death	17 Sep 1226
  Burial
  Marriage
  Other Spouse	Sophie | F551618693
  Marriage	1187
  Father	Boniface I, Marquess of Montferrat | F551619036 Group Sheet
  Mother	Helena del Bosco | F551619036 Group Sheet

  
  

  Female Berta of Clavesana

  
  

  Birth
  Death	Yes, date unknown
  Burial
  Father	Marquess Bonifacio di Clavesana, Count of Cortemiglia | F551618694 Group Sheet
  Mother

  
  

  Male Boniface II (III) the Giant of Montferrat, Marquess of Montferrat

  
  

  Birth	Jul 1202
  Death	12 Jun 1253
  Burial
  Spouse	Margaret of Savoy | F3594
  Marriage	9 Dec 1235

  
  

  Female Beatrice of Montferrat

  
  

  Birth	Abt 1210
  Death	1274
  Burial
  Spouse	Andre (Guigues) VI of Viennois, Dauphin de Viennois | F5241
  Marriage	15 Nov 1219
  Spouse	Sire Guy II, Lord of Bauge | F551618695
  Marriage	1237