Historical biography archive · Updated 2026-11-03

Edmund Mortimer Biography and Timeline

Follow Edmund Mortimer through 27 dated historical records for England.

Edmund Mortimer, historical timeline

A chronological timeline drawn from matching World History Database records.

27Distinct records
1 of 1Page
1251–1425Years on this page

1251

Birth of Edmund Mortimer

Baron · House / House of Mortimer

Birth of Edmund Mortimer, 2nd Baron Mortimer, second son and eventual heir of Roger Mortimer, 1st Baron Wigmore

1265

Treasurer

Baron · House / House of Mortimer

Appointed Treasurer of York

1276

Death of Edmund Mortimer

Baron · House / House of Mortimer

The sudden death of his elder brother, Ralph, makes him heir to the family estates

1282

Peerage

Baron · House / House of Mortimer

Created Baron Mortimer of Wigmore

1285

Marriage

Baron · House / House of Mortimer

Marries Margaret de Fiennes, the daughter of William II de Fiennes and Blanche de Brienne (herself the granddaughter of John of Brienne)

1304

Death of Edmund Mortimer

Baron · House / House of Mortimer

Death of Edmund Mortimer, 2nd Baron Mortimer

1351

Birth of Edmund Mortimer

Earl · House / House of Mortimer

Birth of Edmund Mortimer, 3rd Earl of March, son of Roger Mortimer, 2nd Earl of March, by his wife Philippa, daughter of William Montacute, 1st Earl of Salisbury

1360

Peerage

Earl · London · House / House of Mortimer

Created Earl of March, 3rd

Role range: 1360-1381

1368

Ulster Inheritance

Earl · London · House / House of Mortimer

Edmund's marriage brings the Ulster claim into the Mortimer line

Role range: 1360-1381

Marriage

Earl · London · House / House of Mortimer

Marries Philippa, daughter of Edward IIIs son Lionel & inherits the earldom of Ulster

Role range: 1360-1381

Peerage

Earl · London · House / House of Mortimer

Created Earl of Ulster, 1368-81

Role range: 1360-1381

Succession

Earl · London · House / House of Mortimer

Next in line to the throne after death of fathers wife, the Black Prince & his son

Role range: 1360-1381

Marriage to Philippa

Earl · Reading · House / House of Mortimer

Edmund Mortimer marries Philippa of Clarence

Role range: 1360-1381

1369

Marshal of England

Earl · Marshal of England · Government / Government of England

Appointed Marshal of England

1374

Birth of Roger de Mortimer

Earl · House / House of Mortimer

Birth of Roger de Mortimer, son of the 3rd Earl of March

1377

Coronation

Earl · Party Leader of CP · Westminster Abbey · House / House of Mortimer

Bears the sword & spurs at Richard IIs coronation

Role range: 1360-1381

1381

Death of Edmund Mortimer

Earl · Kells · House / House of Mortimer

Death of Edmund Mortimer, gives the House of York the claim to the English throne

Role range: 1379-1381

Succession

Earl · Kells · House / House of Mortimer

Death of Edmund Mortimer, gives the House of York the claim to the English throne

Role range: 1379-1381

Death of Edmund Mortimer

Earl · House / House of Mortimer

Death of Edmund Mortimer

1385

Succession

Earl · House / House of Mortimer

Proclaimed heir presumptive to the English throne

1388

Marriage

Earl · House / House of Mortimer

Marries the niece of King Richard II

1391

Birth of Edmund de Mortimer

Earl · House / House of Mortimer

Birth of Edmund de Mortimer, descended from Edward III via Lionel

1397

Death of Edmund Mortimer

Earl · Lieutenant · Kells · House / House of Mortimer

Death of Edmund Mortimer, killed in the Battle of Kells

1402

Battle of Pilleth

Pilleth · Warfare / England War

Defeated by Owen Glendower

Rebellion of crush the Welsh

Warfare / England War

Henry IV sends Edmund de Mortimer to Wales to crush the Welsh rebellion

1415

Plot

Earl · House / House of Mortimer

Henrys cousin leads a plot to assasinate the King and replace him Earl March. Earl March betrays the plotters to the King

1425

Death of Edmund Mortimer

Earl · House / House of Mortimer

Death of Edmund de Mortimer

Records, sources and methodology

These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.