See also

William WHISTLER's other family: with Florida Bayard KING (1840-1863)
Helen IONIDES's parents: Eustratius Constantine IONIDES (1817-1888) and Chariclea XENOS (1827-1919)
Helen IONIDES's siblings: Maria Terpsithea IONIDES (1844-1882), Constantine Eustratius IONIDES (1848- ) and Sophia IONIDES (1853-1905)

Family of William McNeill WHISTLER and Helen Euphrosyne IONIDES

Husband:
William McNeill WHISTLER (1836-1900)
Wife:
Helen Euphrosyne IONIDES (1849-1917)
Marriage:
17 Apr 1877
St George Hanover Square^1,2

Husband: William McNeill WHISTLER

Name:
William McNeill WHISTLER^2,3,4
Sex:
Male
Father:
-
Mother:
-
Birth:
22 Jul 1836
Lowell MA⁵
Occupation:
1860 (age 23-24)
-; Grad U of Philadelphia-MD
Occupation:
1877 (age 40-41)
-; President of British Laryngeal Association
Military Service:
-; Confederate Troops⁴
Death:
27 Feb 1900 (age 63)
England⁶

Wife: Helen Euphrosyne IONIDES

Name:
Helen Euphrosyne IONIDES^2,7
Sex:
Female
Father:
Eustratius Constantine IONIDES (1817-1888)
Mother:
Chariclea XENOS (1827-1919)
Birth:
15 Oct 1849
Upper Clapton, Middlesex, England⁷
Death:
8 Jan 1917 (age 67)
Kensington, London, England⁷

Sources

1.: FreeBMD, (Name: Name: Name: Published on the Internet;;;). Marriages June 1877.

2.: Ancestry.com, Westminster, London, England, Church of England Marriages and Banns, 1754-1935, (Name: Ancestry.com Operations, Inc.; Location: Lehi, UT, USA; Date: 2020;). City of Westminster Archives Centre; London, England; Westminster Church of England Parish Registers; Reference: STA/PR/1/2. Ancestry.com.

3.: World Connect. I14077 (30 Sept 01).

4.: National Park Service, U.S., Civil War Soldiers, 1861-1865, (Name: Ancestry.com Operations Inc; Location: Provo, UT, USA; Date: 2007;). Ancestry.com.

5.: World Connect. I14077 (30 Sept 2001).

6.: Ibid. I14077.

7.: Dorothea Butterworth, Ionides Family Tree, (Name: Name: Name: Compiled 1936;;;). 3. NAME In my possession ADDR EMAIL PHON.