Some of it does,I have nothing on the siblings really of John T, in the USA, I found the birth of the two brothers in England Church documents with their parents Joseph Wallin and Susan(nah) Cook
Your facts are very similar. I have for his death records that he came to NY about 1840, at 16 enlisted in Army and was stationed in Nebraska. in 1861 Enlisted for Civil War served, wounded, was Lt. wallin.Married in 1866 in Iowa. Was a US Marshall a short time. Painter most of his life. Moved to Ca in 1880's.
Would love to know where you got your information! donna potts walling email@example.com