Once when Chrysler acquired the parent company of the Sunbeam Tiger ( covered elsewhere in this blog ), and I just learned from
http://blog.hemmings.com/index.php/2007/03/29/here-is-a-ford-flathead-you-dont-see-every-day/ that Ford owned and sold a car factory in France named Poissy, to Simca, who was acquired by Chrysler, who was then warrantying the Ford powerplants in the Simca's they now made. Huh.