My great grandfather was John Plankenhorn from Williamsport and he migrated to Akron, Ohio. He died in the late 1940's early 50. He had a son, also a John Plankenhorn who was my grandfather. He died in 1964 and I think he had a sister named Helen. He was father to my dad John Henry Plankenhorn who passed away in March of 05. He had a sister named Harriet. My father had two sons, me(John M) and my brother Patrick Henry Plankenhorn. I was born 5/6/44 and Pat was born 4/19/45.