Answer
There is difference of opinion concerning her name (Moosa’s (Alayhis salaam) mother). However, Yukha bin Laawiy is mention in Tafseer Mazhari (vol.9 pg.89; Darul Ishaat)
As far as his sister’s name is concerned, it was Kulthum. (Tafseer Jalaalayn pg.327)
and Allah Ta’ala Knows Best
Mufti Ebrahim Desai
FATWA DEPT.