Family: William De Montagu (Montacu, [EARL OF SALISBU / Katherine De Grandison, [Cntss Salisbury (F5092)
m. 1327
-
Male
William De Montagu (Montacu, [EARL OF SALISBU
Birth 1302/1303 , Cassington, Oxfordshire, England 
Christening (17-18 1320) Death 30 Jan 1343/1344 , Windsor Castle, Berkshire, England Burial , Bisham, Berkshire, England Marriage 1327 Of, Cassington, Oxfordshire, England Other Spouse Alice Plantagenet, [PRINCESS OF ENG | F9164 Marriage Not Married Father William De Montagu (Montacu, [Baron Montagu] | F6820 Group Sheet Mother Elizabeth De Montfort, [BARONESS MONTAG | F6820 Group Sheet
Female
Katherine De Grandison, [Cntss Salisbury
Birth Abt 1304 , Ashford, Hertfordshire, England Death 23 Nov 1349 , Bisham, Berkshire, England Burial , Bisham, Berkshire, England Father William De Grandison, [Sir Knight] | F6580 Group Sheet Mother Sybil Tregoz | F6580 Group Sheet
Male
John De Montagu (Montacu, [Baron Montagu]
Birth Abt 1327 , Donyatt, Somersetshire, England Death 25 Feb 1389/1390 Burial Cathedral, SALISBURY, Wiltshire, England Spouse Margaret De Monthermer, [Brnss Montherme | F7856 Marriage 2 Jul 1340 Of Saint Humbert, Stokenham, Devonshire, England
Female
Elizabeth De Montagu, [BARONESS BADLES
Birth Aft 1327 Of, Donyatt, Somersetshire, England Christening Also Of, SALISBURY, Wiltshire, England Death 31 May 1359 , Ashley, Hampshire, England Burial Abbey, Tewkesbury, Gloucestershire, England Spouse Giles De Badlesmere, [BARON BADLESMER | F5089 Marriage Aft Feb 1327/1328 Of, Donyatt, Somersetshire, England Spouse Hugh Le Despencer, [BARON LE DESPEN | F5090 Marriage Bef 27 Apr 1341 Spouse Guy De Bryan (Brienne), [BARON BRYAN] | F5091 Marriage Bef 10 Jul 1350
Male
William De Montagu, [EARL OF SALISBU
Birth 25 Jun 1328 Of, SALISBURY, Wiltshire, England Christening Of, Donyatt, Somersetshire, England Death 3 Jun 1397 Sps Burial Conventual Churc, Bustlesham, Montacute, Somersetshire Spouse Joan "Fair Maid Wales, [COUNTESS OF KEN | F9724 Marriage Abt 1346 Of, Donyatt, Somersetshire, England Spouse Elizabeth Mohun, [COUNTESS OF SAL | F9809 Marriage Abt 1355 Of, , Somersetshire, England
Female
Anne (Anneys) De Montagu
Birth Abt 1330 Of, Cassington, Oxfordshire, England Death Burial Spouse John De Grey | F10851 Marriage 12 Jun 1335 Of, Cassington, Oxfordshire, England
Female
Sibyl De Montagu
Birth Abt 1330 Of, Donyatt, Somersetshire, England Death Burial Spouse Edmund D' Arundel | F7446 Marriage Bef Jul 1349 , Donyatt, Somersetshire, England
Female
Philippe De Montagu, [Countess of Mar
Birth Abt 1332 Of, SALISBURY, Wiltshire, England Death 5 Jan 1381/1382 , Bisham, Berkshire, England Burial , Bisham, Berkshire, England Spouse Roger De Mortimer, [EARL OF MARCH] | F6501 Marriage Abt 1354 , Donyatt, Somersetshire, England