I am descended from Luther's brother Joseph Alexander b. 1808 in Canada.
Your Luther was b. 1806 in Canada. He married Submit Melissa Morton 11 MAR 1827, Geauga, Ohio. (GEAUGA COUNTY OHIO - Marriages, 1806 - 1919 BRIDE'S INDEX - Surnames 'M' license 89 NE; marriage B-65)
Luther voted in elections in Russell, Geauga County, Ohio, from 1827 through 1838. At that point, he moved his family to Grass Twp, Spenser Co., Indiana.
1. Renselear Alexander b.1828 , Russell, Geauga, Ohio
2. Cicero Luther Alexander b.1831, Russell, Geauga, Ohio m. FODDER, Helen Ann
3. Aaron B. Alexander b. 183, Russell, Geauga, Ohio
4. Charles Alexander b. 1837, Russell, Geauga, Ohio
5. Leuranca ? Alexander b. 1837, Russell, Geauga, Ohio
6. Adaline Alexander b. 1844 Grass, Spencer, Indiana
7. Alma Alexander b.1 848 Grass, Spencer, Indiana
8. Diadema Alexander Birth: 1850 Grass, Spencer, Indiana
Luther's father was Justin Alexander b. Abt. 14 May 1774, Windham, Vermont, d. 6 Jul 1854, Newbury, Geauga, Co., Ohio. Luther's mother was Acenith Jones b. 20 Mar 1777, Dummerston, Windham, Vermont, d. 26 Nov 1860, Newbury, Geauga, Co., Ohio. They are buried in the Munn Cemetery, Newbury, Geauga, Co., Ohio.
I have a lot of information about the Alexander family going back to John Alexander, the immigrant, who was born abt 1595/1600. E-mail me if you are interested and I will be happy to share.