Granni/Kranni lastname is ancient patronymical name. Surname "Granni" has been perused in church records to be an origin of a whole different name. This original name was Formula. When you type name "Granni" in google, you will also find that it leads to the name "Grannus" True or false, it has spread like the name Granni. -(Granni)Very few has it, and it is a rare protected name. There are only circa 500 people in the world, who shares the name Granni/Kranni and they all are relatives.This moribud name is interesting and shares many mysteries with in.