Seekonk – Olga M. (Rosentreter) Greggerson, 90, passed away Tuesday, July 7, 2015. She was the beloved wife of Charles F. Greggerson, the couple would have celebrated their sixty-fourth wedding anniversary in August. A lifelong resident of Seekonk, she was a daughter of the late Ferdinand and Helena (Madalinska) Rosentreter. Olga was a bookkeeper at the former Robison Rayon Company, Pawtucket. She was a member of St. Mary’s Senior Saints; former member of the Providence Turners and a New England Turners Gymnastic and Heptathlon Champion. Besides her husband, she leaves two daughters, Karen L. Greggerson of Seekonk and Diane C. Greggerson; a son, Robert C. Greggerson and his wife, Pammie of Seekonk; three grandchildren, Lance A. Greggerson of East Providence, Robert G. Greggerson of New Hampshire and Jodie O. Greggerson of North Attleboro; a great-grandson, Jackson Greggerson and her beloved grand-dog, Gunny. She was the sister of the late Elsie Kubiak and Edna Lyons. Her funeral will be held Tuesday at 9...