The question refers to the passages in 1 Corinthians 11:23–25; Mark 14:17–25; Matthew 26:20–29; Luke 22:14–38; John 13:1–17:26, even though the name “last supper” is never found in any of them. That is a development out of the reference to Jesus’ “dining” (1 Cor 11:25), which two verses earlier is dated to “the night on which he was betrayed.” Cf. John 13:1–2 for another way of phrasing it. The nature of that meal that Jesus