See also

Hugh GROSVENOR's other family: with Constance Gertrude SUTHERLAND-LEVESON-GOWER (1834-1880)
Hugh GROSVENOR's parents: Elizabeth Mary LEVESON-GOWER (1797-1891) and Richard GROSVENOR (1795-1869)
Hugh GROSVENOR's siblings: Eleanor GROSVENOR (c. 1821-1911), Mary Frances GROSVENOR (c. 1822-1912), Elizabeth GROSVENOR (1824-1899), Caroline Amelia GROSVENOR (c. 1828-1906), Octavia GROSVENOR (1829?-1921), Agnes GROSVENOR (1830?-1909), Gilbert Norman GROSVENOR (1833-1854), Jane Louisa Octavia GROSVENOR (1834?-1921), Richard de Aquila GROSVENOR (1837-1912) and Theodora GROSVENOR (1840?-1924)
Katherine CAVENDISH's parents: William George CAVENDISH (1815-1882) and Henrietta Frances LASCELLES (1830-1884)
Katherine CAVENDISH's siblings: Charles Compton William CAVENDISH (1850-1907), Georgina Caroline CAVENDISH (1852-1937), Mary Susan Caroline CAVENDISH (1853-1937), Algernon William CAVENDISH (1855-1865) and William Edwin CAVENDISH (1862-1931)

Family of Hugh Lupus GROSVENOR and Katherine Caroline CAVENDISH

Husband:
Hugh Lupus GROSVENOR (1825-1899)
Wife:
Katherine Caroline CAVENDISH (1858-1941)
Children:
Mary Cavendish GROSVENOR ( - )
Hugh William GROSVENOR ( - )
Helen Frances GROSVENOR ( - )
Edward Arthur GROSVENOR ( - )
Marriage:
29 Jul 1882
Holkham, Norfolk^1,2,3
Address: Private Chapel

Husband: Hugh Lupus GROSVENOR

Hugh Lupus GROSVENOR

Name:
Hugh Lupus GROSVENOR
Sex:
Male
Father:
Elizabeth Mary LEVESON-GOWER (1797-1891)
Mother:
Richard GROSVENOR (1795-1869)
Birth:
13 Oct 1825¹
Title:
1st Duke of Westminster
Death:
22 Dec 1899 (age 74)
Cranborne, Dorset^1,4
Cause: Bronchitis
Cremation:
Woking, Surrey⁴
Address: Woking Crematorium

Wife: Katherine Caroline CAVENDISH

Name:
Katherine Caroline CAVENDISH
Sex:
Female
Father:
William George CAVENDISH (1815-1882)
Mother:
Henrietta Frances LASCELLES (1830-1884)
Birth:
Q1 1858
London, St George Hanover Square^5,6
Census:
7 Apr 1861 (age 3)
Latimer, Bucks⁵
Address: Latimer House
Death:
19 Dec 1941 (age 83)
Chippenham, Wilts^1,7

Child 1: Mary Cavendish GROSVENOR

Name:
Mary Cavendish GROSVENOR
Sex:
Female

Child 2: Hugh William GROSVENOR

Name:
Hugh William GROSVENOR
Sex:
Male

Child 3: Helen Frances GROSVENOR

Name:
Helen Frances GROSVENOR
Sex:
Female

Child 4: Edward Arthur GROSVENOR

Name:
Edward Arthur GROSVENOR
Sex:
Male

Sources

1.: thepeerage.com.

2.: Norfolk Marriages.

3.: England Marriages 1538 - 1973.

4.: wikipedia.org.

5.: Census 1861 E&W. RG9 PN846 F46 P1.

6.: England & Wales Births 1837 - 2006. Vol 1a P 199.

7.: England & Wales Deaths 1837 - 2007. Vol 5a P 153.