Datapoint Welsh English/Relativizer what or a form derived from what

Variety: Welsh English
Feature: Relativizer what or a form derived from what
Value: B - feature is neither pervasive nor extremely rare
Informants: Robert Penhallurick

Examples

Example 1108:
I know a man what’ll help you

Source: Penhallurick 1991: 179

Example 1109:
you might get the odd showman what is really Scotch

Source: Corporation 2005: Talbot.Green