His brothers, Colonel John Bowman (1738-1784), Colonel Abraham Bowman (1749-1837), and Major Joseph Bowman (c. 1752-1779), were also officers during the Revolutionary War, and all four were early frontiersman who were among the first to settle in Kentucky.
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He was a grandson of Kentucky frontiersman Isaac Bowman, as well as direct descendent of early Virginia pioneers Jost Hite and George Bowman, Sr..
He was also a brother-in-law to Kentucky pioneers Isaac, Joseph and John Jacob Bowman.