<P> Over time the Du Pont company grew into the largest black powder manufacturing firm in the world . The family remained in control of the company up through the 1960s and family trusts still own a substantial amount of the company 's stock . This and other companies run by the Du Pont family employed up to 10 percent of Delaware 's population at its peak . During the 19th century , the Du Pont family maintained their family wealth by carefully arranged marriages between cousins which , at the time , was the norm for many families . </P>
<P> Over time the Du Pont company grew into the largest black powder manufacturing firm in the world . The family remained in control of the company up through the 1960s and family trusts still own a substantial amount of the company 's stock . This and other companies run by the Du Pont family employed up to 10 percent of Delaware 's population at its peak . During the 19th century , the Du Pont family maintained their family wealth by carefully arranged marriages between cousins which , at the time , was the norm for many families . </P>
how did the dupont family make their fortune
how did the dupont family make their fortune
black powder manufacturing
black powder manufacturing