 Complete the following phrase:  Together with his father, he served in the armies of Tokugawa Ieyasu. During the 1575 Battle of Nagashino, he was famous for having written a brief letter to his wife, telling her to be careful to put of the fire and to feed his horses. Following Ieyasus submission to Toyotomi Hideyoshi in the wake of the Komaki Campaign in 1584, Narishige was sent to Kyoto as a hostage. After supporting Ieyasu during the 