In their lifetime
Born in the reign of Henry III
  • Birth
    1218
    Born
  • Age c. 29
    22 Sep 1247
    Father 4th Earl of Derby William died
  • Age c. 29
    2 Nov 1247
    Mother Agnes (Alice) died
  • Age c. 46
    14 May 1264
    Battle of Lewes
    Simon de Montfort defeats Henry III in Sussex.
  • Age c. 47
    20 Jan 1265
    Simon de Montfort's Parliament meets
  • Age c. 47
    4 Aug 1265
    Battle of Evesham
  • Age c. 54
    20 Nov 1272
    Accession of Edward I
    Reigned 1272–1307
  • Age c. 77
    Nov 1295
    Model Parliament summoned by Edward I
  • Age c. 79
    11 Sep 1297
    Battle of Stirling Bridge