*"Massachusetts Births and Christenings, 1639-1915," database, FamilySearch (https://familysearch.org/pal:/MM9.1.1/FHLV-L74 : 9 February 2018), Ebenezer Seymour in entry for Miranda Seymour, 16 Sep 1779; citing Goshen, Hampshire, Massachusetts, p 532; FHL microfilm 1,888,838.
"Massachusetts, Town Clerk, Vital and Town Records, 1626-2001," database with images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/Q29G-1PVL : 6 November 2017), Ebebezer Seymour in entry for Amos Halbert and Miranda Seymour, 06 Feb 1803; citing Marriage, Rome, Oneida, New York, United States, , town clerk offices, Massachusetts; FHL microfilm 892,564.
It may be possible to confirm family relationships with Ebenezer by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA.
Y-chromosome DNA test-takers in his direct paternal line on WikiTree:
Denny Seymour :
Family Tree DNA Y-DNA Test 111 markers, haplogroup R-BY3298, FTDNA kit #108347 +
Y-Chromosome Test 419 markers, haplogroup R-Y20344