Naturalization, Citizenship Dual Citizenship Dilema

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Hi I have a question regarding dual citizenship. I am a Canadian who would like to have dual citizenship. My father and mother are both Canadian's as well. My paternal grandfatehr was American when marrying my paternal grandmother. She lost he citizenship to Canada at that time. All of her children were born in Canada and they resided in Canada. However he never changed his citizenship. My grnadmother had to reapply for her Canadian citizenship after his death. Would I qualify for dual citiznship based on the blodd link? Or is it too far removed?