See also

Isabel D' AUBIGNY's parents: William D' AUBIGNY (c. 1180-1221) and Mabel de KEVELIOC (c. 1173- )
Isabel D' AUBIGNY's siblings: Avice D' AUBIGNY (c. 1196-c. 1214), Maud D' AUBIGNY ( -aft1210), Colette D' AUBIGNY (c. 1198-c. 1233), William D' AUBIGNY (c. 1203-c. 1224), Cicely D' AUBIGNY (c. 1208-c. 1260), Nicole D' AUBIGNY (c. 1210-c. 1240) and Hugh D' AUBIGNY (c. 1215-1243)

Family of John FITZALAN and Isabel D' AUBIGNY

Husband:
John FITZALAN (c. 1200-c. 1240)
Wife:
Isabel D' AUBIGNY (c. 1203-c. 1240)
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 de KEVELIOC (c. 1173- )
Birth:
c. 1203
Arundel, W Sussex²
Address: Arundel Castle
Death:
c. 1240 (age 36-37)
Arundel, W Sussex²
Address: Arundel Castle

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 ³

Sources

1.: wikipedia.org.

2.: rootsweb.ancestry.com.

3.: ffish.com.