Children, grandchildren and great-grandchildren of brothers Henry T. and Louis A. Nippert are gathering July 30 through Aug. 2. According to a historical booklet created for the centennial family reunion, Henry was born in 1868. He studied medicine in Cincinnati before moving to Minnesota. He “first became familiar with the lakes of northern Minnesota through a group of hunting friends that included a fellow doctor, Andrew Hilger. Hilger later i…