registered at a maintained school or PRU on 1 January 2022 and, at some point after 1 January 2022, became looked after by a local authority in Wales
roedd wedi'i gofrestru mewn ysgol a gynhelir neu UCD ar 1 Ionawr 2022 ac, ar ryw adeg ar ôl 1 Ionawr 2022, daeth yn blentyn sy'n derbyn gofal gan awdurdod lleol yng Nghymru