Datapoint Earlier African American Vernacular English/Which for ‘who’

Variety: Earlier African American Vernacular English
Feature: Which for ‘who’
Value: C - feature exists, but is extremely rare
Informants: Alexander Kautzsch

Examples

Example 1317:
In 1935 ah had a brothah, which was mah oldes' brothah.

Source: Hyatt 1970-1978: 4547