So @Mokolotivet I think i've either managed to solve or get around the
problem. My account is already a Google account - and my wife is already
on my Google Home app as a member. She just downloaded the Nest app -
signed in - and she was already in t...
I have this same issue - even though both google home app and Nest
protect BOTh use my google Gmail login? I cannot no matter how hard i
try get google home to see my nest protect and therefore cannot share
with the other house members! ANNOYING!