William De Montagu (Montacu, [EARL OF SALISBU

1303 - 1344  (41 years)

• Name	William De Montagu (Montacu
  Suffix	[EARL OF SALISBU
  Birth	1302/1303	, Cassington, Oxfordshire, England
  Christening	(17-18 1320)
  Gender	Male
  _UID	1124E72F079A714DA08D0911645244DBC691
  Death	30 Jan 1343/1344	, Windsor Castle, Berkshire, England
  Burial	, Bisham, Berkshire, England
  Person ID	I20424	Ken Tree
  Last Modified	3 Nov 2019

  
  

  Father	William De Montagu (Montacu, [Baron Montagu],   b. Abt 1275, Of, Cassington, Oxfordshire, England d. 18 Oct 1319/1320 (Age 45 years)
  Mother	Elizabeth De Montfort, [BARONESS MONTAG,   b. Abt 1275, Of, Beaudesert, Warwickshire, England d. 1345 (Age 70 years)
  Marriage	Abt 1292	Of, Cassington, Oxfordshire, England
  _UID	CA2436AED129C14A8963B105850E19496E2E
  Family ID	F6820	Group Sheet  |  Family Chart

  
  

  Family 1	Alice Plantagenet, [PRINCESS OF ENG,   b. Abt 1324, Of, , Norfolk, England d. Bef 30 Jan 1351/1352 (Age < 28 years)
  Marriage	Not Married
  Divorce	Yes, date unknown
  _UID	FD1E5104968E614FB12D67059742ACF80B9F
  Family ID	F9164	Group Sheet  |  Family Chart
  Last Modified	1 Apr 2026

  
  

  Family 2	Katherine De Grandison, [Cntss Salisbury,   b. Abt 1304, , Ashford, Hertfordshire, England d. 23 Nov 1349, , Bisham, Berkshire, England (Age 45 years)
  Marriage	1327	Of, Cassington, Oxfordshire, England
  _UID	7208C4C664426C408A18F44AC0F5222A37CB
  Children	1. John De Montagu (Montacu, [Baron Montagu],   b. Abt 1327, , Donyatt, Somersetshire, England d. 25 Feb 1389/1390 (Age 63 years)   2. Elizabeth De Montagu, [BARONESS BADLES,   b. Aft 1327, Of, Donyatt, Somersetshire, England d. 31 May 1359, , Ashley, Hampshire, England (Age < 30 years)   3. William De Montagu, [EARL OF SALISBU,   b. 25 Jun 1328, Of, SALISBURY, Wiltshire, England d. 3 Jun 1397, Sps (Age 68 years)   4. Anne (Anneys) De Montagu,   b. Abt 1330, Of, Cassington, Oxfordshire, England   5. Sibyl De Montagu,   b. Abt 1330, Of, Donyatt, Somersetshire, England   6. Philippe De Montagu, [Countess of Mar,   b. Abt 1332, Of, SALISBURY, Wiltshire, England d. 5 Jan 1381/1382, , Bisham, Berkshire, England (Age 50 years)   7. Robert Montagu,   b. Abt 1334, Of, Shepton Montague, Somersetshire, England
  Family ID	F5092	Group Sheet  |  Family Chart
  Last Modified	1 Apr 2026

  
  

• Notes

  From Ancestral File (TM), data as of 2 January 1996.