* Italian belongs to the Romance language family, which evolved from Latin, spoken by the Romans. It is closely related to other Romance languages like Spanish, French, Portuguese, and Romanian.
* Welsh belongs to the Celtic language family, which is thought to have originated in Europe before the arrival of the Romans. It is closely related to other Celtic languages like Irish, Scottish Gaelic, and Breton.
While both languages have been influenced by other languages over time, they have distinct origins and are not related.