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Male John Gerald Kalkman Click to view John Gerald Kalkman in the family tree

John Gerald was born on July 22nd, 1922 in Holland, Michigan.1   John Gerald's father was Cornelius "Casey" Kalkman and his mother was Elizabeth Roels.  His paternal grandparents were Kryn Kalkman and Maria Hoogendorp; his maternal grandparents were Pieter Roels and Adriana Brandt. He had six brothers and three sisters, named Kryn, Cornelius "Neil", Peter, Albert, Albert, John Gerald, Nellie, Jennie Adriana and Marie.  He died  due to Heart Attack at the age of 67 on October 14th, 1989 in Holland, Michigan.1 

Family Details of John Gerald's family with Angeline Jansen

1 phelps.FTW
Further source/citation:
World Family Tree Vol. 22, Ed. 1 @ Tree #2589