See also

Gertrude HOWARD's parents: Frederick HOWARD (1748-1825) and Margaret Caroline LEVESON-GOWER (1753-1824)
Gertrude HOWARD's siblings: Isabella Caroline HOWARD (c. 1771-c. 1848), George HOWARD (1773-1848), Charlotte HOWARD (c. 1774-c. 1774), Susan Maria HOWARD (c. 1776-c. 1783), Louisa HOWARD (c. 1778-c. 1781), Elizabeth HOWARD (1780-1825), William HOWARD (1781-1843), Frederick HOWARD (1785-1815) and Henry Edward John HOWARD (1795-1868)

Family of William SLOANE-STANLEY and Gertrude HOWARD

Husband:
William SLOANE-STANLEY (1780-1860)
Wife:
Gertrude HOWARD (c. 1783-c. 1870)

Husband: William SLOANE-STANLEY

Name:
William SLOANE-STANLEY
Sex:
Male
Father:
-
Mother:
-
Birth:
25 Jun 1780¹
Death:
11 Apr 1860 (age 79)¹

Wife: Gertrude HOWARD

Name:
Gertrude HOWARD
Sex:
Female
Father:
Frederick HOWARD (1748-1825)
Mother:
Margaret Caroline LEVESON-GOWER (1753-1824)
Birth:
c. 1783¹
Death:
c. 1870 (age 86-87)¹

Sources

1.: wikipedia.org.