See also

Alastair SUTHERLAND-LEVESON-GOWER's parents: Cromartie SUTHERLAND-LEVESON-GOWER (1851-1913) and Millicent Fanny ST.CLAIR-ERSKINE (1867-1955)
Alastair SUTHERLAND-LEVESON-GOWER's siblings: Victoria Elizabeth SUTHERLAND-LEVESON-GOWER (1885-1888), George Granville SUTHERLAND-LEVESON-GOWER (1888-1963) and Rosemary Millicent SUTHERLAND-LEVESON-GOWER (1893-1930)

Family of Alastair St Clair SUTHERLAND-LEVESON-GOWER and Elizabeth Helene Gardner DEMAREST

Husband:
Alastair St Clair SUTHERLAND-LEVESON-GOWER (1890-1921)
Wife:
Elizabeth Helene Gardner DEMAREST (1892-1931)
Children:
Elizabeth Millicent SUTHERLAND-LEVESON-GOWER (1921-2019)
Marriage:
27 Apr 1918¹

Husband: Alastair St Clair SUTHERLAND-LEVESON-GOWER

Name:
Alastair St Clair SUTHERLAND-LEVESON-GOWER
Sex:
Male
Father:
Cromartie SUTHERLAND-LEVESON-GOWER (1851-1913)
Mother:
Millicent Fanny ST.CLAIR-ERSKINE (1867-1955)
Birth:
24 Jan 1890¹
Death:
28 Apr 1921 (age 31)
Zimbabwe¹

Wife: Elizabeth Helene Gardner DEMAREST

Name:
Elizabeth Helene Gardner DEMAREST
Sex:
Female
Father:
-
Mother:
-
Birth:
10 Apr 1892
New York, NY, USA¹
Death:
26 Sep 1931 (age 39)¹

Child 1: Elizabeth Millicent SUTHERLAND-LEVESON-GOWER

Name:
Elizabeth Millicent SUTHERLAND-LEVESON-GOWER
Sex:
Female
Spouse:
Charles Noel JANSON (c. 1917-c. 2006)
Birth:
30 Mar 1921
Chelsea, London SW^1,2
Death:
9 Dec 2019 (age 98)

Sources

1.: thepeerage.com.

2.: wikipedia.org.