I am looking for info on fam. of Sarah Emeline Cowan(Cherokee), b 1847 MO. 1st m to Jeremiah Bigley, 1867 MO. 2 ch. of this mar. M.#2 to Robert S.(Sam or Sloan) McSpadden after 1872 in AR or TX. He died in Fannin Co. TX 1911. Sara was Cherokee but Robert McSpadden probably not. Does any one have info on this Bigley and Cowan family connection? Thank you.