Young Mother's Baby is the newborn son of Young Mother in Ponyo on the cliff by sea 
Young Mother's Baby - Studio Ghibli Wiki

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.