See also

Mary CAPELL's other family: with Henry (Sir) SOMERSET (c. 1629-1700)
Mary CAPELL's parents: Arthur CAPELL (1603-1649) and Elizabeth MORRISON (c. 1611-1661)
Mary CAPELL's siblings: Elizabeth CAPELL (1629-1630), Arthur CAPELL (c. 1631-1683), Elizabeth CAPELL (c. 1633-1678), Theodosia CAPELL (1634-1637), Charles CAPELL (c. 1636-1656), Henry (Sir) CAPELL (c. 1637-1696), Theodosia CAPELL (c. 1638-1662) and Anne CAPELL (c. 1643-1675)

Family of Henry SEYMOUR and Mary CAPELL

Husband:
Henry SEYMOUR (c. 1626-1654)
Wife:
Mary CAPELL (c. 1630-1715)
Children:
William SEYMOUR (1652-1671)
Elizabeth SEYMOUR (c. 1654-1697)
Marriage:
28 Jun 1648
Little Hadham, Herts¹ ²

Husband: Henry SEYMOUR

Name:
Henry SEYMOUR
Sex:
Male
Father:
-
Mother:
-
Birth:
c. 1626³
Death:
14 Mar 1654 (age 27-28)³
Burial:
Great Bedwyn, Wilts³
Address: St Mary's

Wife: Mary CAPELL

Name:
Mary CAPELL
Sex:
Female
Father:
Arthur CAPELL (1603-1649)
Mother:
Elizabeth MORRISON (c. 1611-1661)
Birth:
c. 1630
Little Hadham, Herts¹
Baptism:
16 Dec 1630 (age 0)
Little Hadham, Herts⁴
Death:
7 Jan 1715 (age 84-85)
Chelsea, London SW¹
Burial:
Badminton, Glos¹ ³
Address: St Michael and All Angels

Child 1: William SEYMOUR

Name:
William SEYMOUR
Sex:
Male
Birth:
17 Apr 1652²
Title:
3rd Duke of Somerset
Death:
12 Dec 1671 (age 19)²
Burial:
Great Bedwyn, Wilts³
Address: St Mary's Churchyard

Child 2: Elizabeth SEYMOUR

Name:
Elizabeth SEYMOUR
Sex:
Female
Spouse:
Thomas BRUCE (1656-1741)
Birth:
c. 1654
Death:
12 Jan 1697 (age 42-43)³
Burial:
Maulden, Beds³
Address: St Mary the Virgin

Sources

1.: familysearch.org.

2.: wikipedia.org.

3.: findagrave.com.

4.: Hertfordshire Baptisms.