Question Summary:
do i have parda from my dads dads(grandads) sister.

Question Detail:

do i have parda from my dads dads(grandads) sister.

Answer :

In the name of Allah, Most Gracious, Most Merciful
Assalaamu `alaykum waRahmatullahi Wabarakatuh
Your grandfather’s sister is your Mahram. You do not have to observe Hijāb from her.
And Allah knows best
Wassalam
Ml. Yusuf bin Yaqub,
Student Darul Iftaa
Checked and Approved by:
Mufti Ebrahim Desai
Darul Iftaa, Madrassah In'aamiyyah