If I may I would like to add some information to this post. Ambrose and Elizabeth had 10 children. My great grandfather being the 10th. 1. Elizabeth who married Sylvenus H. Killicut (He later changed it to kellog), 2. Joseph who married Carolyn ?, 3. Stephen who married Cordelia Bartlett. (He deserted and was not the one who captured Jefferson Davis) 4. Peter who married Elizabeth Hungerford and later Charlotte Conrad, 5. John who married Susan Gilbert, 6. William H. who married Carrie G. Fisher, they had no children. 7. James F. who first married Hannah Churchill and later married Rose Butler (He along with a man named Munger captured jefferson Davis, from Van Buren history and his own story from Onadaga Co. Fl site. 8. Martha F. who married Franklin Snow, 9. was your ancestor Sarah and 10 was my great grandfather Charles Ambrose who married Fidelia Robinson.
Hope this helps
Sonia Bullard Caldwell