Oh yes, I remember Mortimer! Those photos are just as I remember.
And some people called her Grand Mom Johnson, some Grand Mom Porter. Jim and I got to see her and daughter Jenny a while before she passed in 2007. When we first arrived Jenny was a young teenager and would bring our food to the cottage. I understand she also passed a few years ago.
Regards,
Bob

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Jim, Grand Mom and me

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Me, Jenny and Jim