Mr. F. Flagler's brother was born in Monroe Co., Penn.

Nation and worldGrade A · 1 independent source

The evidence

“Mr. F. was born in Monroe Co., Penn., in 1843 ; is a' brother of Joseph Flagler.”
1879-history-of-rock-county/17-bios-janesville.md, PDF p. 702 / book p. 706
Butterfield, C. W., et al. The History of Rock County, Wisconsin: its early settlement, growth, development, resources, etc. Chicago: Western Historical Company, 1879. Cornell University Library via the Internet Archive, archive.org/details/cu31924028871585.
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On the printed page (PDF p. 702 / book p. 706) · open the whole page