See also

Laura Bourchier's parents: Henry Bourchier - 5th Baron Bourchier, 2nd Count of Eu, 1st Viscount Bourchier, 1st Earl of Essex (1406-1483) and Isabel Plantagenet of Cambridge (1409-1484)
Laura Bourchier's siblings: William Bourchier - Viscount Bourchier ( -1480), Henry Bourchier (c. 1434-1458), Thomas Bourchier ( -1492), John Bourchier - 6th Baron Ferrers of Groby ( -1495), Humphrey Bourchier - 1st and last Lord Bourchier of Cromwell ( -1471), Florence Bourchier ( -c. 1525), Fulke Bourchier ( - ), Hugh Bourchier ( - ), Edward Bourchier ( -1460) and Isabel Bourchier ( - )

Family of John Courtenay and Laura Bourchier - Countess of Devon

Husband:	John Courtenay ( -1471)
Wife:	Laura Bourchier - Countess of Devon (1440- )

Husband: John Courtenay

Name:	John Courtenay
Sex:	Male
Father:	-
Mother:	-
Death	1471	Tewkesbury

Wife: Laura Bourchier - Countess of Devon

Name:	Laura Bourchier - Countess of Devon
Sex:	Female
Father:	Henry Bourchier - 5th Baron Bourchier, 2nd Count of Eu, 1st Viscount Bourchier, 1st Earl of Essex (1406-1483)
Mother:	Isabel Plantagenet of Cambridge (1409-1484)
Birth	1440¹
Title		Countess of Devon

Sources

1	"Wikipedia" (en.wikipedia.org). https://en.wikipedia.org/wiki/Henry_Bourchier,_1st_Earl_of_Essex.