No, popes are not related by blood to Saint Peter. They do, however, fill the same position as Peter.
Roman Catholic AnswerSt. Peter went to Rome, and died as Pope there. He and St. Paul are both buried there. St. Peter's tomb is under St. Peter's Basilica.
St. Peter.
The pope is the successor to St. Peter the Apostle.
The most famous pope in my opinion is St Peter. Not only did he become a Saint, he was the first pope, he was pope for the longest amount of time and he was one of Jesus's apostle's.
St. Peter.
St. Peter the Apostle and first pope of the Catholic Church.
St. Linus became pope at the death of St. Peter.
Currently, (2015) the pope is Pope Francis who became pope in 2013.
There were a lot of saints immediately after St. Peter, but the pope who followed him, who was also acclaimed a saint was Pope St. Linus (67-76).
The pope's church is St. John Lateran. As the bishop of Rome this is his Cathedral. As pope, his church is St. Peter's Basilica.
St. Peter served as pope from 33AD to 64 or 67AD - 31 to 34 years. The date Peter was martyred is still in question.
Andrew