Anderson and Shannon connection?

I have a Fredrick Anderson b:1832 Mississippi.The 1880 Texas, Tarrant Co. cencus list him as a widower. His father was Robert b:1794, Richmond Ga. and his mother was Martha Stokes.Family records indicate Fred married about 1858 Eliza _______. On the 1880 record he has a daughter Mary A. 13, b: Mi, a son Oscar A. 9, b: La. and another daughter, Eliza (Josephine Elizabeth)7 b: La.. There is also a 4 yr. old nephew, Joe W. Shannon, b: Texas abt. 1876, both his parents born Mississippi. I have been trying to find a connection between Joe and Fred's wife Eliza hoping to find her maiden name but haven't gotten anywhere. Yesterday while searcing family tree sites I found a private tree listing SHANNON, Barnett, Taylor and ANDERSON family tree. I really need anything you have concerning this connection.Thank you.Linda from Texas