The Last Supper, a significant event in Christian tradition, is believed to have included Jesus Christ and his twelve apostles. This makes the total number of people at the Last Supper thirteen.
According to the New Testament, the Last Supper was the final meal Jesus shared with his apostles before his crucifixion. It is during this meal that Jesus instituted the Eucharist, a central rite in Christian worship. The event is commemorated by Christians worldwide, especially during Holy Week.
The twelve apostles present at the Last Supper were Peter, Andrew, James (son of Zebedee), John, Philip, Bartholomew, Thomas, Matthew, James (son of Alphaeus), Thaddaeus, Simon the Zealot, and Judas Iscariot. Judas Iscariot is notably known for betraying Jesus, which led to his arrest and subsequent crucifixion.
In summary, the Last Supper was attended by Jesus and his twelve apostles, totaling thirteen people.