John of Gaunt, 1st Duke of Lancaster (1340-1399)

Full name and titles
John, 1st Duke of Lancaster, Earl of Lancaster, Leicester, and Derby, titular King of Castile and León

Name variations
John of Gaunt

Biography
see Wikipedia. He was the third son of King Edward III. Created Duke of Lancaster in 1362. Became titular King of Castile and León in 1371 upon his marriage to the illegitimate daughter of Pedro the Cruel.

Vital Statistics

 * Sex : Male
 * Born: March 1340 at Ghent
 * Died: 3 February 1399 at Leicester Castle, at age 58.

Pedigree
John of Gaunt is the son of Edward III, King of England (1312-1377) and Philippa of Hainault (About 1314-1369).

Siblings

 * Edward of Woodstock, Prince of Wales (1330-1376)
 * Isabella of England (1332-Before 1382)
 * Joan of England (1335-1348)
 * William of Hatfield (1337-1337)
 * Lionel of Antwerp, 1st Duke of Clarence (1338-1368)
 * Edmund of Langley, 1st Duke of York (1341-1402)
 * Blanche of England (1342-1342)
 * Mary of England (1344-1362)
 * Margaret of England (1346-After 1361)
 * William of Windsor (1348-1348)
 * Thomas of Woodstock, 1st Duke of Gloucester (1355-1397)

Spouse(s)

 * 1359 Blanche of Lancaster (1342-1369)
 * They married 13 May 1359 at Reading.
 * 1371 Constance of Castile (1354-1394)
 * They married September 1371 at Roquefort.
 * 1397 Catherine Roet (1340-1403)
 * They married 13 January 1397 at Lincoln Cathedral

Blanche of Lancaster (1342-1369)

 * Philippa of Lancaster (1360-1415)
 * John of Lancaster (1362-1362)
 * Elizabeth of Lancaster (1363-1425)
 * Edward of Lancaster (1365-1365)
 * John of Lancaster (1366-1366)
 * Henry IV, King of England (1367-1413)
 * Isabel of Lancaster (1368-1368)

Constance of Castile (1354-1394)

 * Catherine of Lancaster (1372-1418)
 * John of Lancaster (1374-1374)

Catherine Roet (1340-1403)

 * John Beaufort, 1st Marquess of Somerset (About 1373-1410)
 * Henry Cardinal Beaufort, Bishop of Winchester (1375-1447)
 * Thomas Beaufort, 1st Duke of Exeter (1377-1426)
 * John Beaufort (1379-1440)

Contributors
John Kenney