Ancestry of
Upton Sinclair
Pulitzer Prize Winning Novelist
The family tree for Upton Sinclair is still in progress.
The family tree for Upton Sinclair should not be considered exhaustive or authoritative. Oftentimes the family trees listed as still in progress have derived from research into famous people who have a kinship to this person. Research devoted solely to this person has either not yet taken place or it is currently in progress. As with all family trees on this website, the sources for each ancestor are listed on the family group pages so that you can personally judge the reliability of the information.
Some of the most recently added connections of famous kin for Upton Sinclair
Thomas J. Watson, Jr.
President and CEO of I.B.M.
19th cousin 2 times removed
via Eleanor Plantagenet
A. Bartlett Giamatti
Major League Baseball Commissioner
18th cousin 1 time removed
via Richard Fitzalan
George Herbert
8th Earl of Carnarvon
Owner, Highclere Castle (aka Downton Abbey)
19th cousin 2 times removed
via Sir John Howard
William Henry Moore
Co-Founder, U.S. Steel and Nabisco
18th cousin 3 times removed
via William de Ros
William Henry Moore
Co-Founder, U.S. Steel and Nabisco
18th cousin 2 times removed
via Bartholomew de Badlesmere
William Henry Moore
Co-Founder, U.S. Steel and Nabisco
17th cousin 2 times removed
via Sir John Howard
Barbara (Pierce) Bush
First Lady of President George H.W. Bush
18th cousin 1 time removed
via Richard Fitzalan
Lucretia (Rudolph) Garfield
First Lady of President James Garfield
20th cousin 1 time removed
via Henry III, King of England
Lucretia (Rudolph) Garfield
First Lady of President James Garfield
17th cousin 3 times removed
via Edmund Fitzalan
Lucretia (Rudolph) Garfield
First Lady of President James Garfield
20th cousin 1 time removed
via Ferdinand III, King of Castile
Lucretia (Rudolph) Garfield
First Lady of President James Garfield
18th cousin 2 times removed
via Humphrey de Bohun
View entire list of famous kin for Upton Sinclair
Please note: The ancestor reports on this website have been compiled from thousands of different sources, many over 100 years old. These sources are attached to each ancestor so that you can personally judge their reliability. As with any good genealogical research, if you discover a link to your own family tree, consider it a starting point for further research. It is always preferable to locate primary records where possible. FamousKin.com cannot and does not guarantee the accuracy and reliability of these sources.