Cedar Valley Cemetery look up

I see a listing of those buried in Cedar Valley Cemetery on the Arenac Co site.My great grand parents are there.Edward George Hale and Neva May Hale. I'm told that her daughter and son in law are there too but I don't see them on the list and that might be cuz the list is not up to date.
Can anyone tell me if John and Helen Hottois are located there too?He died in 1998 and she died in 2001.
Thank you in advance for any time you can give.