This is NOT possible.
In the early centuries of the Church there were three popes from northern Africa but nothing is known of their races. All other popes have been caucasian.
We know of no church with three popes. No such animal.
There have been over 70 popes canonized as saints, not just three.
Alexander
There have been 266 popes in Catholic history, starting with Saint Peter. Three other popes were Saint Pius X from August 4 1903 until August 20, 1914, Leo XIII from February 1878 until July 20, 1903 and Marcellus II from April 9, 1955 until May 1, 1955.
There are three popes named Sixtus who are saints. Please specify one of them.
Three popes:Pope Leo the GreatPope Gregory the GreatPope Nicholas the Great
There have been three popes from Africa. All were from northern Africa.
When the schism came to a close, near the time of the Council of Constantine, three popes where vying for the official position: Gregory XII- Roman Catholic Church Benedict XIII- French Catholic Church John XXIII- German Catholic Church
Pope Paul VIPope John Paul IPope John Paul II
Nothing
Three popes have visited Australia. Pope Paul VI was the first in 1970. Pope John Paul II visited twice, once in 1986 and again in 1995. And, Pope Benedict XVI visited the country in 2008.