See also

Blanche BOLINGBROKE's parents: Henry de BOLINGBROKE (1367-1413) and Mary de BOHUN (c. 1369-1394)
Blanche BOLINGBROKE's siblings: Edward de BOLINGBROKE (c. 1382-c. 1382), Henry de BOLINGBROKE (1386-1422), Thomas de BOLINGBROKE (c. 1387-1421), John de BOLINGBROKE (1389-1435), Humphrey de BOLINGBROKE (1390-1447) and Phillippa de BOLINGBROKE (1394-1430)

Family of Louis III and Blanche de BOLINGBROKE

Husband:
Louis III (1378-1436)
Wife:
Blanche de BOLINGBROKE (1392-1409)
Children:
Rupert (1406-1426)
Marriage:
6 Jul 1402
Cologne, Germany¹
Address: Cologne Cathedral

Husband: Louis III

Name:
Louis III
Sex:
Male
Father:
-
Mother:
-
Birth:
23 Jan 1378¹
Death:
30 Dec 1436 (age 58)
Heidelburg, Germany¹

Wife: Blanche de BOLINGBROKE

Name:
Blanche de BOLINGBROKE
Sex:
Female
Father:
Henry de BOLINGBROKE (1367-1413)
Mother:
Mary de BOHUN (c. 1369-1394)
Birth:
Q2 1392
Peterborough, Cambs¹
Address: Peterborough Castle
Death:
22 May 1409 (age 16-17)
Alsace, France¹
Cause: Fever

Child 1: Rupert

Name:
Rupert
Sex:
Male
Birth:
22 May 1406
Heidelburg, Germany¹
Death:
20 May 1426 (age 19)¹

Sources

1.: wikipedia.org.