John B. Kelly Jr.
John Brendan
"Jack" Kelly Jr. (May 24, 1927 – March 2, 1985), also known as Kell Kelly, was an accomplished rower, a four-time Olympian, and an Olympic medal winner.
He was also the son of triple Olympic gold medal winner John B. Kelly Sr., and the elder brother of the actress and Princess of Monaco, Grace Kelly.
In 1947, Kelly was awarded the James E. Sullivan Award as the top amateur athlete in the United States.
Margaret Majer
Margaret Katherine Kelly( née Majer, December 13, 1898 – January 6, 1990) was an American instructor of physical education for women and first coach of women's teams at the University of Pennsylvania.
She was the wife of John B. Kelly Sr., three- time Olympic Gold Medal winner in rowing, and mother of Grace Kelly, actress and princess consort of Monaco, and of John B. Kelly Jr., an accomplished rower.
She is also a maternal grandmother of Albert II, Prince of Monaco.
John B. Kelly Sr.
John Brendan Kelly Sr.
(October 4, 1889 – June 20, 1960), known as Jack Kelly, was one of the most accomplished American competitors in the history of the sport of rowing.
He was a triple Olympic champion, the first to be so in the sport of rowing.
The Philadelphia-based Kelly also was a multimillionaire in the bricklaying and construction industry.
He was the father of actress Grace Kelly, Princess of Monaco (thus maternal grandfather of Albert II, Prince of Monaco), and of John B. Kelly Jr., an accomplished rower in his own right who served as president of the U.S. Olympic Committee.
John Kelly (artist)
John Kelly( born 1965 in London, UK) is an Australian artist.
Jim Kelly (tight end, born 1951)
James William Kelly, Jr.( born August 7, 1951) is a former American football tight end who played one season with the Chicago Bears of the National Football League.
He played college football at Tennessee State University and attended Columbia Central High School in Columbia, Tennessee.
John Kelly (running back)
John Marshall Kelly Jr (born October 4, 1996) is an American football running back for the Los Angeles Rams of the National Football League (NFL).
He played college football at Tennessee.
Emmett Kelly Jr.
Emmett Leo Kelly Jr. (November 13, 1924 – November 29, 2006) was an American clown.
He was the son of Emmett Kelly Sr., who was a legendary circus clown.
Kelly Jr. copied his father's style.
Paul Joseph Kelly Jr.
Paul Joseph Kelly Jr. (born 1940) is a Senior United States Circuit Judge of the United States Court of Appeals for the Tenth Circuit.
His chambers are in Santa Fe, New Mexico.
Obata Toramori
He was the father of Obata Masamori.
John Kelly (minister)
John Kelly( 1801 – 1876) was a Scottish Congregational minister.

Question: What is the place of birth of John B. Kelly Jr.'s father?
Answer: Philadelphia