Thanks for posting this information about Norman Henry Chamberlin who married Barbara Anna Barr (which I've not seen before), suggesting that he might be the same person as Norman Dudley (who went by the name Chamberlin), b. 27 May 1840, son of Amanda Chamberlin & S. Dudley, and grandson of John Freeman Chamberlin & Phebe Clark, who brought him up. I've checked my Chamberlain/lin research records here, but am unable to substantiate this connection, though it is possible.The subject line of your posting calls him Norman Henry Chamberlin, b. 1840, VT, but the text of your message makes no mention of this middle name, nor of his birth year or place.Is this information actually contained in the Pension File, or does it instead pertain to Norman Dudley? Does the file give any information regarding Capt. Norman Chamberlin's birth date or place?Without knowing this information, it would be rather speculative to connect him with Norman Dudley, about whom little is known, so I have not done so.Have you found him in any census data?Please contact me via Email if you have any additional identifying data to share.