young boys usually about age 3-4 would be taken from their parents and be given to their uncle to raise

Not just any uncle, but one of the mother's brothers. Membership in a Tlingit clan was mainly via matrilinear descent. The fathers did take an interest in their son's grandchildren.

The pronunciation of Tlingit in Tlingit is /ɫɪŋkɪt/ and is sometimes pronounced Klinkit in English. The voiceless alveolar lateral fricative /ɫ/ is the same as the Welsh phoneme represented by ll.

Ceci n'est pas un seing.