Familysearch has their marriage record.
And a Seborn listed as born abt 1858, in the 1860 Coffee, AL census with many siblings including John and William.
Groom: Seoborn Mathis
Bride: Anna Warr
Marriage 11 Jul 1889 Coffee, AL
Indexing Project (Batch) Number: M59313-3
U S Census, 1900 ED 47 Precinct 7 Peacock, Coffee, AL
Head S J Matthews M 39 b Jun 1861AL
Wife Anna Matthews F 27 b. May 1873 AL
Dau Ida Bell Matthews F 9 AL
Son Jack Matthews M 7 AL
Cousin Louiza Stokes F 24 AL
Son Marvin Stokes M 1 AL
Lodger Della Warr F 14 AL ?sister of Anna?
1860 Census Election Precinct No 4 Coffee, Alabama
Page: 55 Family Number: 366
John E Matthews M 36 SC
Talitha J Matthews F 34 AL
Margaret J Matthews F 13 AL
William J Matthews M 11 AL
Richard Matthews M 8 AL
Seborn Matthews M 2 AL
John M Matthews M 5 AL