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Children John Montagu, 3rd Earl of Salisbury Parents William Montagu, 1st Earl of Salisbury, Catherine Grandison, Countess of Salisbury Siblings William de Montagu, 2nd Earl of Salisbury Grandchild Thomas Montagu, 4th Earl of Salisbury Grandparents Elizabeth de Montfort, Baroness Montagu, William Montagu, 2nd Baron Montagu Similar William Montagu - 1st Earl of, William de Montagu - 2nd Earl, William Montagu - 2nd Baro, Joan of Kent, Eleanor Holland - Countess | ||
John de Montacute (c. 1330 – c. 1390) was a 14th-century English nobleman and loyal servant of King Edward III. He was the son of William Montagu, 1st Earl of Salisbury by his wife Catherine Grandison, and younger brother of William de Montacute, 2nd Earl of Salisbury (1328–1397). He also had several younger sisters.
Montacute was summoned to parliament in 1357. Jean Froissart named "Lord John Mountacute" as one of the participants with King Edward III at the Siege of Calais in 1348.
He married Margaret de Monthermer, daughter and heiress of Thomas de Monthermer, 2nd Baron de Monthermer by his wife Margaret de Brewes. Their children included John Montacute, 3rd Earl of Salisbury (c. 1350 – 1400); Eleanor Montacute, who married John Dinham (1359–1428); and Thomas Montagu, Dean of Salisbury Cathedral.
Montagu's descendants quartered the arms of Monthermer: Or, an eagle displayed vert beaked and membered gules.