Are dogs related to foxes?

Dogs ARE Related to Foxes

Yes, they are both in the same family, and if you don't remember the orders of classification, it's KINGDOM, PHYLUM, CLASS, ORDER, FAMILY, GENUS, SPECIES.

Except---Dogs cannot interbreed with foxes as they can with wolves and coyotes.

Dogs, wolves, coyotes and jackals are "Canis", foxes are "Vulpes".