See also

Isabel D' AUBIGNY's parents: William D' AUBIGNY (c. 1180-1221) and Mabel (D'AUBIGNY) (c. 1173- )
Isabel D' AUBIGNY's siblings: Avice D' AUBIGNY (c. 1196-c. 1214), Maud D' AUBIGNY ( -aft1210), Cicely D' AUBIGNY ( - ), Colette D' AUBIGNY ( - ), William D' AUBIGNY (c. 1203-c. 1224), Hugh D' AUBIGNY ( -1243) and Nicole D' AUBIGNY (c. 1210-c. 1240)

Family of John FITZALAN and Isabel D' AUBIGNY

Husband:
John FITZALAN (c. 1200-c. 1240)
Wife:
Isabel D' AUBIGNY ( - )
Children:
John FITZALAN (1223-1267)

Husband: John FITZALAN

Name:
John FITZALAN
Sex:
Male
Father:
-
Mother:
-
Birth:
c. 1200¹
Title:
Lord of Oswestry
Death:
c. 1240 (age 39-40)¹

Wife: Isabel D' AUBIGNY

Name:
Isabel D' AUBIGNY
Sex:
Female
Father:
William D' AUBIGNY (c. 1180-1221)
Mother:
Mabel (D'AUBIGNY) (c. 1173- )

Child 1: John FITZALAN

Name:
John FITZALAN
Sex:
Male
Spouse:
Maud de VERDON ( - )
Birth:
26 May 1223¹
Title:
6th Earl of Arundel
Death:
10 Nov 1267 (age 44)^1,2

Sources

1.: wikipedia.org.

2.: ffish.com.