A household member was living with a health condition (in a D, E, F, G rated privately owned or rented property) and was in receipt of an income below defined thresholds.
bod aelod o’r cartref yn byw gyda chyflwr iechyd (mewn eiddo preifat neu oedd yn cael ei rentu gyda sgôr o D, E, F neu G) a bod eu hincwm islaw trothwyon penodol.