Matthew 26:7
There came unto him a woman having an alabaster box of very precious ointment, and poured it on his head, as he sat at meat.
Cross-references
Psalm 133:2 pictures precious oil on Aaron's head, mirroring the woman pouring ointment on Jesus' head.
Luke 7:38 adds that the woman wept, wiped Jesus' feet with her hair, and kissed them—details not in Matthew's account of the anointing.
John 12:2 sets the dinner context with Martha serving and Lazarus present, where this anointing occurred.
John 12:3 provides the parallel account naming Mary and adding foot anointing and hair wiping.
Mark 14:3 records the same event: a woman with alabaster jar of expensive nard anoints Jesus' head in Simon the leper's house.
John 11:2 identifies the woman as Mary of Bethany—the same person who anoints Jesus in John 12, linking to Matthew's account.
Exodus 30:23-33 prescribes holy anointing oil for consecration — this costly ointment on Jesus echoes sacred anointing.