How are Icelandic and Faroese related to Old Norse?

Old Norse serves as the parent language of both Icelandic and Faroese. As members of the West Scandinavian group of North Germanic languages, both modern languages share a direct lineage from the Norse speech brought by settlers from western Norway during the 9th and 10th centuries.123

Icelandic is considered the most conservative of the Scandinavian languages, having preserved Old Scandinavian grammar—including complex case, gender, and verb systems—almost intact. This stability allows modern speakers to read medieval sagas and Eddas with relative ease.2

Faroese is also closely related to Icelandic and retains many characteristics of Old Norse. While it is an independent language, it occupies a position intermediate between West Norwegian and Icelandic. Like Icelandic, Faroese has maintained certain features of the older language, such as the use of unstressed vowels, though both languages have undergone significant changes in pronunciation and vowel systems since the classical period.34