bio says he was born 22 jan 1816, came here 7 sept 1853. he went to dayton in 1855. wed 3 june 1836. her birth 14 jan 1816. all the kids and dates and spouses and locations listed in this bio. it has 2 photos 2.
and i did the same as u found him, and the kids. i would go to the original, it could well be that she was on there and not transcribed, or they could not read it. https://www.germanroots.com/gtoa.html
notes that there are omissions and errors.
national archives have them, but i think there would be another way. https://aad.archives.gov/aad/series-list.jsp?cat=GP44