In 1541, Yoshimoto offered asylum to Nobutora TAKEDA, who had been banished by his own legitimate son Harunobu TAKEDA, and accepted him in Suruga Province, but it has also been suggested that Nobutora's banishment might have been carried out in a collusion between Yoshimoto and Harunobu.
また天文10年（1541年）には嫡子の武田晴信に追放された信虎を駿河に庇護しているが、この追放劇は義元と晴信が共謀したものではないかとも言われている。