John Benjamin Grellinger

John Benjamin Grellinger (November 5, 1899-April 13, 1984) was the Roman Catholic titular bishop of Syene and the Roman Catholic auxiliary bishop of the Roman Catholic Diocese of Green Bay.

Born in Milwaukee, Wisconsin, Grellinger was ordained to the priesthood on July 14, 1929. On May 16, 1949, Pope Pius XII appointed Grellinger auxiliary bishop of the Green Bay Diocese and he was ordained on July 14, 1949 retiring on September 21, 1974.[1]

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