There is a will on file in Knox Co. Indiana for a Nancy Decker, she is also mentioned as being married to Abraham died at the age of 38 1/26/1879 This is from a cemetary book in Indiana. Of this isnt your Nancy, file the information as you never know when you may connect with it.. The number after the name is A84. The people in Vincenes Indiana are excellent to deal with and will send you a copy and do basic research for 5.00. I have a will from a John Decker 1816. the address is Knox Co Records Library 819 Broadway Vincenes, In. 47591. Alot of these Deckers scattered going to Missouri, Oklahoma, Illinois and Texas. Good luck Karen Weir