<sod>Joseph Campau was born on February 20, 1769 in Detroit.<eod>
<sod>Joseph Campau was born on February 20, 1769 in Detroit.<ref name=Sibley /> His younger brother, Barnabas, was also a wealthy businessman. He was a fur trader, merchant, and landowner, including [[Belle Isle Park (Michigan)|Belle Isle]].<ref name=Sibley /><eod>