Without the sum of all of their actions and bravery, it is not possible to foresee how the 3 year old would have survived the incident.
Heb weithredoedd a dewrder pob un ohonynt ar y cyd, nid yw’n bosibl darogan sut y byddai’r plentyn 3 blwydd oed wedi goroesi’r digwyddiad.