shingen's

It was this baron that had attacked the palace of Nijo when Yoshiteru, the shogun, had to commit suicide, and Shingen's object in approaching him was to sow seeds of discord between the shogunate and Nobunaga. Most imminent of all perils, however, was the menace of the Asai family in Omi, and the Asakura family in Echizen.

F. (Frank) Brinkley - A History of the Japanese People : From the Earliest Times to the End of the Meiji Era

Some other check must be devised, and Nobunaga found it in the marriage of his adopted daughter to Shingen's son, Katsuyori. In Kyoto, at this time, a state of great confusion existed. The Emperor Okimachi had ascended the throne in 1557.

F. (Frank) Brinkley - A History of the Japanese People : From the Earliest Times to the End of the Meiji Era

This battle, known in history as the War of Mikata-ga-hara, was the greatest calamity that ever befell Ieyasu, and that he would have suffered worse things at the hands of Takeda Shingen cannot be doubted, had not Shingen's death taken place in May, 1573.

F. (Frank) Brinkley - A History of the Japanese People : From the Earliest Times to the End of the Meiji Era

It is recorded that, on the eve of his death, Shingen advised his son to place himself and his domains in Kenshin's keeping, for, said he, "Kenshin now stands unrivalled, and Kenshin will never break faith with you;" and it is recorded of Kenshin that when he heard of Shingen's death, he shed tears and exclaimed, "Would that the country had such another hero!"*

F. (Frank) Brinkley - A History of the Japanese People : From the Earliest Times to the End of the Meiji Era