Alphonzo L Groves  [Sarah Elizabeth Sedgwick / Jonathan Groves]
b. February 22, 1871, Illinois7,2
d. July 4, 19267
bu Fannin County, Texas, Oak Hill Cemetery7 (map) (photo)
m. November 10, 1901, [Whitewright, Grayson, Texas?], Vinetta Net Pennington6,7

Vinetta Net Pennington [William Pennington / Elizabith Ann Sears]6,7
b. December 18, 1876, Texas7,2
d. June 4, 1974, [Whitewright? [Grayson, Texas?]7,8
bu Fannin County, Texas, Oak Hill Cemetery7 (map) (photo)

Census records:

1880 Illinois, Clark, Wabash Twp
1900 Texas, Grayson, Whitewright
1910 Texas, Fannin, Precinct 3
1920 Texas, Fannin, Leonard
cannot find her in 1930

Alpnonzo Groves taught at Grayson College at Whitewright, Texas. There he met Vinetta Pennington. They married, lived and died there, Aplhonzo dying at the young age of 55, and Nettie living until she was 97.

Children:

Jonas? Pennington Groves  (James?)
  b. abt 1902, Texas2
  m. Pearl Price
Roy Harold Groves
  b. abt 1904, Texas2
Elizabeth Groves
  b. abt 1906, Texas2
  m. Robert Geer

Elizabeth Groves
m. Robert Geer
child:
  Robert Geer Jr

Pennington Groves
m. Pearl Price
children:
  Ray Groves
  Roy Groves m. Modean Martin

Sources and notes: (all sources for this project)

1. Records of descendants/researchers of this family
a. John Warren: John's Genealogy, direct link to John Sedgwick
b. Rachel Sharp, descendant of Robert Sedgwick's daughter Margaret Ann
d. Peggy Alsobrook, ggdau of Jonathan Winfield Groves and Sarah Coryell

2. Census records, any of those indicated.

4. Illinois Marriages to 1850, Illinois Marriage Records, 1851-1900
two Ancestry.com databases
these records:
Husband Wife Marriage Date County ST
GROVES, JONATHAN CORYELL, SARAH 9 Mar 1848 Clark IL
GROVES, JONATHAN SEDGEWICK, SARAH E 29 May 1870 Clark IL

6. Genealogy.com World Family Tree Volume 11 Tree 3162
this data:
Alfonso L Groves
b. February 22, 1871
d. July 4, 1926
m. Vinetta Net Pennington
Vinetta Net Pennington [William Pennington / Elizabith Ann Sears]
b. December 18, 1876   (parents' marriage and deaths listed at Whitewright, Texas)
children:
Roy Harold Groves
Elizabeth Groves
  m. Robert Geer, child Robert Geer Jr
Pennington Groves
  m. Pearl Price, children Ray Groves, Roy Groves m. Modean Martin

7. Grayson County TXGenWeb: Oak Hill Cemetery (map) (photo)
these records:
GROVES, A. L. 22 FEB.1871-4 JULY 1926 A MASON;
  HUSB. OF NETTIE WED 10 NOV.1901
GROVES, NETTIE PENNINGTON 18 DEC.1876-4 JUNE 1974
  WIFE OF A.L. DAU. OF BILL & BETTIE PENNINGTON

8. Texas Deaths, 1964-98
an Ancestry.com database
this record:
Groves, Nettie P, 04 June 1974, GRAYSON, F, WIDOWED