See also

John GAUNT's other families: with Infanta Constance of CASTILE (c. 1354-1394) and Katherine SWYNFORD (c. 1350-1403)
John GAUNT's parents: EDWARD III (1312-1377) and Philippa of HAINAULT ( - )
John GAUNT's siblings: Edward, the Black PRINCE (1330-1376), Isabella (1332-1379), Joan (c. 1333-1348), William of HATFIELD (1337-1337), Lionel of ANTWERP (1338-1368), Edmund of LANGLEY (1341-1402), Blanche of the TOWER (1342-1342), Mary of WALTHAM (1344-1362), Margaret, Countess of PEMBROKE (1346-1361), Thomas of WINDSOR (1347-1348), William of WINDSOR (1348-1348) and Thomas of WOODSTOCK (1355-c. 1397)

Family of Blanche of LANCASTER and John of GAUNT

Partner:	Blanche of LANCASTER ( - )
Partner:	John of GAUNT (1340-1399)
Marriage	19 May 1359

Partner: Blanche of LANCASTER

Name:	Blanche of LANCASTER
Sex:	Male
Father:	-
Mother:	-

Partner: John of GAUNT

John of GAUNT, Johnofgaunt

Name:	John of GAUNT
Sex:	Male
Name Suffix:	1st Duke of Lancaster
Father:	EDWARD III (1312-1377)
Mother:	Philippa of HAINAULT ( - )
Birth	6 Mar 1340
Death	3 Feb 1399 (age 58)

Note on Husband: Blanche of LANCASTER

Had issue among which includes the future Henry IV of England.