See also

John PONSONBY's other family: with Frances LAMBTON ( -1835)
John PONSONBY's parents: John George PONSONBY (1781-1847) and Maria FANE (1787-1834)
John PONSONBY's siblings: Georgiana Sarah PONSONBY (1807-1861), William Wentworth Brabazon PONSONBY (1812-1831), Augusta Lavinia Priscilla PONSONBY (1814-1904), Frederick George Brabazon PONSONBY (1815-1895), Emily Charlotte Mary PONSONBY (1817-1877), Maria Jane Elizabeth PONSONBY (1819-1897), Arthur George Brabazon PONSONBY (1820-1841), Walter William Brabazon PONSONBY (1821-1906), Spencer Cecil Brabazon PONSONBY (1824-1915), Harriet Frederica Anne PONSONBY (1825-1900), Louisa Georgina PONSONBY (1826-1863), Infant PONSONBY (1828-1828) and Gerald Henry Brabazon PONSONBY (1829-1908)

Family of John George Brabazon PONSONBY and Caroline GORDON-LENNOX

Husband:
John George Brabazon PONSONBY (1809-1880)
Wife:
Caroline GORDON-LENNOX (1819-1890)
Marriage:
4 Oct 1849¹

Husband: John George Brabazon PONSONBY

Name:
John George Brabazon PONSONBY
Sex:
Male
Father:
John George PONSONBY (1781-1847)
Mother:
Maria FANE (1787-1834)
Birth:
14 Oct 1809¹
Title:
5th Earl of Bessborough
Death:
28 Jan 1880 (age 70)¹

Wife: Caroline GORDON-LENNOX

Name:
Caroline GORDON-LENNOX
Sex:
Female
Father:
-
Mother:
-
Birth:
18 Jun 1819¹
Death:
30 Apr 1890 (age 70)¹

Sources

1.: wikipedia.org.