Joan, Lady Mohun was the daughter of Sir Bartholomew Burghersh, Lord Burghersh and Elizabeth de Verdun. Her brother, another Sir Bartholomew Burghersh, was the father of the heiress Elizabeth Burghersh who married Edward, Lord Despenser. It is not know exactly when Joan was born but a date somewhere in the 1320s seems likely. (Her brother was born in 1323.)
in 1341 (or thereabouts) Joan married Sir John Mohun of Dunster Castle in Somerset, (Lord Mohun of Dunster.) This may have been because John (born 1320) was in the wardship of Joan’s uncle, Bishop Burghersh of Lincoln, having inherited his estates at the age of ten.
The couple had at least three daughters. Elizabeth, who married William Montagu, Earl of Salisbury (after his divorce from Joan of Kent.) Maud, who married John Strange, Lord Strange of Knockin. Philippa, who married successively, Walter Fitzwalter, Lord Fitzwalter; Sir John Golafre; and Edward of York, who was at the time of their marriage Duke of Aumale, but later 2nd Duke of York. Some sources suggest there was a fourth daughter who became a nun.
Philippa was at least ten years older than Edward of York – Pugh is unkind enough to suggest that she was old enough to be his mother. However, no firm date of birth can be established and one can but guess.
John Mohun was a founder member of the Garter, and served in the French wars – almost inevitably given his status and generation. He died in 1376, and left his widow nicely provided for with a jointure in the whole of the extensive Mohun lands. Joan (who presumably considered that her daughters were adequately settled with their marriage portions) fairly promptly sold the reversion of the estates to the Lutterell family. This meant that she would have plenty of money herself but that there would be no legacy of land to her heirs.
In his book The Court of Richard II Father Gervase Mathew stated that Joan, Lady Mohun was one of the more influential ladies of Richard II’s court. This seems likely to be true, if only because the Appellants banished her from court in 1388 – they’d scarcely have bothered if she’d just been sitting there quietly producing embroidery, would they? She had an annuity of £100 for life from Richard II which she later exchanged for the Lordship of Macclesfield (Cheshire.) She was also given the Garter in her own right in 1384. Clearly a lady in high favour.
One of Anne of Bohemia’s last acts was to grant Lady Mohun Leeds Castle, in Kent for life. Not a bad Christmas present you may think!
Joan Mohun was also on good terms with John of Gaunt, who placed his daughter, Catherine of Lancaster with her in 1380, and exchanged New Years gifts with her from 1380-1382. In 1392 he also purchased from her the marriage of a cousin, Matilda Burghersh, the daughter of Sir John Burghersh. This Matilda (or Maud), an heiress in her own right, was subsequently married to Thomas Chaucer, son of the poet Geoffrey Chaucer and Philippa Roet.
Joan lived until 1404 and was buried in Canterbury Cathedral. Her tomb survives, and although it is now in poor condition must have been very splendid in its day. It was also in a particularly coveted location, which demonstrates her wealth and influence. Her will is online and is of of some interest, although it is far from clear what the ‘rubrum’ left to Philippa might have been.
There was an attempt to regain the daughters’ landed inheritance from the Luttrells, but it failed.
As an aside, ‘Mohun’ is apparently pronounced ‘Moon’ and ‘Burghersh’ seems to be along the lines of ‘Burwaish’.