According to 'Rokudai Kirare' in "Heike Monogatari" (The tale of the Heike), Tadafusa escaped in secrecy from the camp of the Taira clan after being defeated at the Battle of Yashima, and he hid under the protection of the powerful Muneshige YUASA in Kii Province.
『平家物語』の「六代被斬」によると、忠房は平氏が屋島の戦いで敗れた後、ひそかに陣を抜け出し、紀伊国の豪族湯浅宗重の庇護を受けて同地に潜伏する。