Maria Sophia Hardcastle (née Herschel) - Person - National Portrait Gallery
John Herschel Glenn : Family tree by Tim DOWLING (tdowling) - Geneanet
More Biographical References
The ahnentafel of Anthony Michael D'Agostino
Margaret Louisa Marshall (née Herschel) - Person - National Portrait Gallery
Family Tree Maker 2005 - Stern and Löbl Family Genealogy Website
User:Catherineleonemoreton/Sandbox • FamilySearch
Family Tree Maker - Wes Patterson's Home Page
Averill Happenings Past and Present: God Speed Two Unrelated John Glenns
J. C. Maxwell's Heritage: the Ancestral Origins of his Genius
John Frederick William Herschel 1st Bt (1792-1871) | WikiTree FREE Family Tree
William Herschel Vaughter (1881 - 1955) - Genealogy
Khiri Adel (khiriadel) - Profile | Pinterest
Family Tree Shadow Box – Black Sheep Creations
William Frederick Herschel (1738-1822) | WikiTree FREE Family Tree
OASI: A G Cook
Esoteric School - Triangle Book of St. Germain, by Iona Miller, 2015
William Wilhelm Herschel, KH, FRS (1738 - 1822) - Genealogy
Mahler Family Genealogy
John Frederick William Herschel (1792 - 1871) - Genealogy
William Thomson, 1st Baron Kelvin - Wikipedia
William Frederick Herschel (1738-1822) | WikiTree FREE Family Tree
Herschel Name Meaning, Family History, Family Crest & Coats of Arms
