Cynthia Ann 'Nadua' Parker's parents were:

Silas Mercer Parker - b. 1804 in Bedford County, Tenn. & d. 1836

&

Lucinda "Lucy" Duty - b. 1801 in Duck River, Elbert County, GA

Cynthia was born in Crawford County, IL. ca 1827 d. 1870. Her parents helped settle Texas and Silas's family built Fort Parker. She was kidnapped by Comanche indians in 1836 and her Dad was killed in that raid.

Cynthia is my 2nd cousin 4x removed.

There is LOADS of biographical history on our family if you do a simple google search.