The Children of Adam and Eve

John de Mohun, 2nd Baron Mohun, 9th Baron de Mohun of Dunster, KG (1320–1376) was a founder member and the 11th Knight of the Most Noble Order of the Garter in 1348.

John was the son of John de Mohun, 1st Baron Mohun and Sibyll Segrave; daughter of John de Segrave – son of Nicholas de Segrave, 1st Baron Segrave. His father John, was the son of Sire John de Mohun of Dunster, banneret, baron 1299, who sealedthe Barons letter to the Pope in 1301. He bore at the Battle of Falkirk (1298), and at the Siege of Carlaverock (1300).

In 1328 and 1331, he served in the Kings service in Brittany, with Sir Bartholemew de Burghersh. In 1332, he attended Edward Prince of Wales KG, when Edward III KG entered France by Normandy, and continued in service at the Siege of Calais, andagain in 1333. His last recorded military service was in attendance to the Prince of Wales into Gascony in 1341.

After the death of his grandfather (Sire John), John inherited the vast family estates at the age of 10, held by Henry Burghersh Bishop of Lincoln, until he came of age. He married Joanne, daughter of Sir Bartholemew de Burghersh the elder, whowas sister to Sir Bartholemew de Burghersh KG, one of the founders of the Garter.

He had 3 daughters and coheirs:
Elizabeth, wife of William Montagu, 2nd Earl of Salisbury
Philippa firstly wife of Walter FitzWalter Lord FitzWalter. and then wife of Edward of Norwich, 2nd Duke of York
Maud, wife of John le Strange, 6th Baron Strange.

Maud's son Richard inherited the family estates after the deaths of his aunts, Elizabeth and Philippa, both of whom died without issue.