Britain's Royal Families: The Complete Genealogy (29 page)

John had the following
illegitimate issue
:

By Marie de St Hilaire (
d
. after 1399):

1  Blanche (before 1360–1388/9?); she married Sir Thomas Morieux.

John married firstly, on 19 May, 1359, at Reading Abbey, Berkshire:

Blanche

She was the daughter of Henry of Grosmont, Duke of Lancaster, by Isabella de Beaumont (under Henry III,
see here
), and she was born on 25 March, 1345. She died on 12 September, 1369, at Bolingbroke Castle, Lincs., of the Black Death (bubonic plague), and was buried in Old St Paul’s Cathedral, London.

Issue of marriage:

(i)
  
Katherine

She was born between 6 June, 1372, and 31 March, 1373, at Hertford Castle. She was made a Lady of the Garter in 1384. She married Henry III, King of Castile (1379–1406), in September, 1388, at the Church of St Antolin, Fuentarrabia, Castile, and had issue:

1  Mary (1401–1458); she married Alfonso V, King of Aragon and Sicily (1394–1458), and had issue.

2  John II, King of Castile (1406–1454); he married firstly Maria (
d
.1445), daughter of Ferdinand I, King of Aragon and Sicily, and had issue. He married secondly Isabella (1428?–1496), daughter of John, Duke of Beja in Portugal, and son of Philippa of Lancaster (
see here
), and had issue, including Isabella I, Queen of Spain, mother of Katherine of Aragon, first wife of Henry VIII.

3  Katherine (1406–1439); married Henry of Aragon, Duke of Villena (
d
.1445).

Katherine died on 2 June, 1418, and was buried at Toledo, Spain.

(ii)
John

He was born in 1374 at Ghent in Flanders, and died in 1375.