I am trying to find my ggggrandparents.Mary (Maria) Dockstader md ab. 1820 Joseph Gordon and had my gggrandmother Charlotte Sabrina Gordon, b. 27 Nov1821.She md James Shaver and ab. 1845 moved to Wis. Charlotte may have had sister Anna, b. ab. 1824, md. Henry Hopkins and a half sister Ada, b. ab. 1814 who md Ashbel Hopkins.Joseph was suppose to have served Rev. War.Ibelieve that Mary was probably his 3 wife.