Jeffrey Wiley was my step-brother. As you say, your parents gave a lot of support to my grandparents. Unfortunately as my grandma aged in the 1970's she did become quite 'difficult' and 'demanding'.
I have memories of playing with the children who lived around where my grandparents lived when I visited. This would have been during the 1960's. I vaguely remember Kim and Gaye Machin. I also think there might have been a couple of boys who lived further along towards the church.
I occasionally went to church with my grandma on a Sunday.
I notice on an earlier post you mention you a