Meaning A boy's name of Welsh origin, it means "Prince Origin of Tywysog Welsh +-100%Zoom level changed to 1 Popular Middle Names Pronunciation 🔊 Listen Tywysog Similar Names Teobaldo Maelgwyn Rhioganedd Gruffydd Powell Pwyll Talyessin Timotheus Twm Tihalt Year by Year Popularity of Tywysog