Mel , Jr. , once held the United States indoor record in the pole vault in the 1960s .
They had two children , Sharen Lynn , born c. 1939 , and Mel Hein , Jr. , born c. 1940 .
Mel Hein , Jr.     , once held the United States indoor record in the pole vault in the 1960s .
They had two children , Sharen Lynn , born c. 1939 , and Mel Hein , Jr. , born c. 1940 .