He is married to Maria Emilie Wilhelmine Josephine Wetschky.
They got married on March 22, 1851 at Düsseldorf, Deutschland, he was 26 years old.Source 4
Child(ren):
Ferdinand von Fuchsius: Nachrichten über die Familie Windscheid, Nebst Beiträgen zur Zeitgeschichte. Bagel, Düsseldorf 1891.
"Deutschland, Geburten und Taufen 1558-1898," index, FamilySearch (https://familysearch.org/pal:/MM9.1.1/NZX3-LVW : accessed 13 Nov 2014), Franciscus Wilhelmus Hubert Hilarius Windscheid, 20 Feb 1825; citing ; FHL microfilm 909680.
http://historischesarchivkoeln.de/lav/getimg.php?img=/Personenstandsregister/Standesamt_Koeln_Stadt/Sterbefaelle/1891/1891_Bd_04/0052.jpg
"Deutschland, Heiraten 1558-1929," index, FamilySearch (https://familysearch.org/pal:/MM9.1.1/JH9Z-QD3 : accessed 25 Oct 2014), Franz Wilhelm Hubert Hilarius Windscheid and Maria Emilie Wilhelmine Josephine Wetschki, 22 Mar 1851; citing Duesseldorf Stadt, Rheinland, Prussia; FHL microfilm 948693.