Sarah Martin, the wife of Robert Alexander, was born 6 October 1811 and was the daughter of Harry Martin and Sarah Morgan of Greene County, Ohio.Sarah Martin married Robert Alexander 18 November 1828 in Sangamon County, Illinois. They were listed in the 1850 Sangamon County census with their ten children. Robert and Sarah Alexander went to Oregon over the Oregon Trail and lived near Cottage Grove, Lane County, Oregon. Sarah Alexander and some of her children were buried in Sears Cemetery, Cottage Grove, Lane County, Oregon.
Dates we have: Sarah Alexander 1810 - 8 February 1853 Absolon Alexander 14 Jan 1833 - 8 May 1856 E. [Elizabeth] 18 Jan ????  - 8 May 1856 Sinai Alexander 22 September 1845 - 1 April 1830.Married first Abner Russell second John William Vaughn 8 November 1822 - 15 March 1917.
The ancestry for the parents of Sarah Martin is posted on World Connect, i.e. Harry Martin and wife Sarah Morgan; their parents John Morgan and wife Martha Constant.
Posted as a matter of record for Alexander descendants.