John Benjamin Grellinger (November 5, 1899-April 13, 1984) was the Roman Catholic titular bishop

Titular bishop

A titular bishop in various churches is a bishop who is not in charge of a diocese.By definition a bishop is an "overseer" of a community of the faithful, so when a priest is ordained a bishop the tradition of the Roman Catholic and Orthodox churches is that he be ordained for a specific place...

 of Syene and the Roman Catholic auxiliary bishop

Auxiliary bishop

An auxiliary bishop, in the Roman Catholic Church, is an additional bishop assigned to a diocese because the diocesan bishop is unable to perform his functions, the diocese is so extensive that it requires more than one bishop to administer, or the diocese is attached to a royal or imperial office...

 of the Roman Catholic Diocese of Green Bay

Roman Catholic Diocese of Green Bay

The Roman Catholic Diocese of Green Bay was established on March 3, 1868 by Pope Pius IX. It covers the city of Green Bay as well as Brown, Calumet, Door, Florence, Forest, Kewaunee, Langlade, Manitowoc, Marinette, Menominee, Oconto, Outagamie, Shawano, Waupaca, Waushara, and Winnebago counties,...

.

Born in Milwaukee, Wisconsin

Milwaukee, Wisconsin

Milwaukee is the largest city in the U.S. state of Wisconsin, the 28th most populous city in the United States and 39th most populous region in the United States. It is the county seat of Milwaukee County and is located on the southwestern shore of Lake Michigan. According to 2010 census data, the...

, Grellinger was ordained to the priesthood on July 14, 1929. On May 16, 1949, Pope Pius XII

Pope Pius XII

The Venerable Pope Pius XII , born Eugenio Maria Giuseppe Giovanni Pacelli , reigned as Pope, head of the Catholic Church and sovereign of Vatican City State, from 2 March 1939 until his death in 1958....

appointed Grellinger auxiliary bishop of the Green Bay Diocese and he was ordained on July 14, 1949 retiring on September 21, 1974.