...born in Wilkes-Barre, Pennslvania, third and youngest child of Frank (or Franz) and Johanna (Blumenau) Mankiewicz. Both parents were German-Jewish immigrants who met and married in New York. Frank Mankiewicz, a "rip-snorting atheist" with a fervent belief in education, had moved to Wilkes-Barre to take a job as editor of a German-language newspaper...Kemp, page 716:
Mankiewicz... moved to 20th Century-Fox, where after a final job as producer--Keys of the Kingdom (1944), a stolidly worthy religious piece--he was at long last permitted to direct.Joseph L. Mankiewicz is listed on the Wikipedia list of "List of Jewish American show business figures" located at: http://www.answers.com/topic/list-of-jewish-american-show-business-figures
"Joseph L. Mankiewicz" article on Answers.com, from Wikipedia (http://www.answers.com/topic/joseph-l-mankiewicz):
On his passing in 1993, Joseph Mankiewicz was interred in Saint Matthew's Episcopal Churchyard cemetery, Bedford, New York.