The term 'The Piper's Son' is a reference to the character Tom from the classic English folktale 'The Pied Piper of Hamelin'. Tom is the son of the titular piper, and is the only child in the town of Hamelin who was not taken away by the piper. Tom is often seen as a symbol of hope and resilience, as he was able to remain in the town despite the piper's attempts to take him away. The crossword solutions for this term are TOM (3 letters) and TOMTOM (6 letters).