Winder was the son of
John H. Winder, who was a career officer in the US Army until the
American Civil War (1861–1865), when he joined the Confederates and became a general. Winder had a half-brother, named William S. Winder, who was an attorney. Winder's grandfather was
William H. Winder, a general in the U.S. Army in the war of 1812. In 1851, Winder married Abby Rice Goodwin (February 1829 - May 9, 1906) of
Portsmouth, New Hampshire, the daughter of New Hampshire governor,
Ichabod Goodwin. ==References==