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I know ข้าพเจ้า is a formal way to mean "name", but beside that, there was a line with what looked like the word โดย in front of it. I am going on memory, so I may have misread it or mispelled it, etc..
Actually ข้าพเจ้า doesn't mean name. It's was very very formal way to say I or me.โดยข้าพเจ้า will mean = by me.But normally we didn't use it a lot. It will be use only in very formal letter, work or report.
Hope you understand my weird English explaination ^____^