According to "Azuma Kagami" (The Mirror of the East), Tokiko threw herself into the sea holding a holy sword (Ama no Murakumo no Tsurugi Sword, one of the three imperial regalia), and Emperor Antoku was held by Azechi no Tsubone, who was eventually saved from drowning.
なお、『吾妻鏡』では時子は天叢雲剣を持ち、安徳天皇は按察局が抱いて入水したとあり、按察局は引き上げられて助かっている。