أعوذ بالله من الشيطان الرجيم
بسم الله الرحمن الرحيم
Recite Ya Aziz يا عزيز) 200 ) times after Isha salah with durood before and after while turning the face towards those relatives. Do it for 40 days. It shall soften their hearts. Further, sometime send them some gift and greet them when you meet them.