Welsh bychan

← Breton bihan (cognate)

← Proto-Brythonic *bɨx (inherited)

← Proto-Celtic *bikkos (inherited)

← Irish beag (cognate)

→ English Vaughn (derived)

→ English Vaughan (mention)

→ English Denbigh (mention)

→ Breton bihan (cognate)

→ Welsh bach (link)

→ Welsh bych (link)

→ Welsh bychod (mention)

→ Spanish pequeño (mention)

→ Irish beag (mention)

→ Scottish Gaelic beag (mention)