| | On February 11, 1910, Pipes married the former Mary Louise Minor (1886-1961) at the Christ Church [[Episcopal]] Cathedral in New Orleans. She was the daughter of Anna Louise Butler and Henry Minor, one of the owners of Southdown as well as Pipes' predecessor as the plantation manager. Mary Louise was a graduate of Newcomb College, then the women's division of Tulane. The couple had six children, including David Pipes, III, who was born in 1912 and died the next year. Their other offspring were Anna Fort Pipes (1914-1985), Henry Minor Pipes (1916-1984), John Butler Pipes (1919-1996), Katharine Minor Pipes (1922-1982), Mary Minor Pipes (1925-1982), and Margaret Gustine Pipes (1927-1987<ref name=bio/><ref name=pipesfamily>{{cite web|url=http://www.pipesfamily.com/winds0001.htm|title=Descendants of Windsor Pipes|publisher=Pipesfamily.com|accessdate=May 29, 2019}}</ref> | | On February 11, 1910, Pipes married the former Mary Louise Minor (1886-1961) at the Christ Church [[Episcopal]] Cathedral in New Orleans. She was the daughter of Anna Louise Butler and Henry Minor, one of the owners of Southdown as well as Pipes' predecessor as the plantation manager. Mary Louise was a graduate of Newcomb College, then the women's division of Tulane. The couple had six children, including David Pipes, III, who was born in 1912 and died the next year. Their other offspring were Anna Fort Pipes (1914-1985), Henry Minor Pipes (1916-1984), John Butler Pipes (1919-1996), Katharine Minor Pipes (1922-1982), Mary Minor Pipes (1925-1982), and Margaret Gustine Pipes (1927-1987<ref name=bio/><ref name=pipesfamily>{{cite web|url=http://www.pipesfamily.com/winds0001.htm|title=Descendants of Windsor Pipes|publisher=Pipesfamily.com|accessdate=May 29, 2019}}</ref> |
| | Pipes had half-siblings too from his father's first marriage, one of whom operated family cotton interests in Morehouse Parish north of [[Monroe, Louisiana|Monroe]]. A half-nephew also named "David Pipes" (1910-1982) ran the Morehouse operations. | | Pipes had half-siblings too from his father's first marriage, one of whom operated family cotton interests in Morehouse Parish north of [[Monroe, Louisiana|Monroe]]. A half-nephew also named "David Pipes" (1910-1982) ran the Morehouse operations. |