Do any Latin authors mention other Italic languages?

1. What other Italic languages were found on the Apennine peninsula in ancient times?
2. What are Italic languages other than Latin?
3. Are all Romance languages Italic?
4. What languages are most closely related to Latin?

What other Italic languages were found on the Apennine peninsula in ancient times?

Oscan. Before Latin spread out, Oscan was the most widely spoken group of dialects of the Apennine Peninsula.

What are Italic languages other than Latin?

Besides Latin, the known ancient Italic languages are Faliscan (the closest to Latin), Umbrian and Oscan (or Osco-Umbrian), and South Picene. Other Indo-European languages once spoken in the peninsula whose inclusion in the Italic branch is disputed are Venetic and Siculian.

Are all Romance languages Italic?

The Romance languages are a group of related languages all derived from Vulgar Latin within historical times and forming a subgroup of the Italic branch of the Indo-European language family. The major languages of the family include French, Italian, Spanish, Portuguese, and Romanian.

What languages are most closely related to Latin?

Is Latin closer to Italian or Spanish? - Italian is the closest national language to Latin, followed by Spanish, Romanian, Portuguese, and the most divergent being French.