Leo Blair.
Yes Tony Blairs Son. Callled Tony JR.
Brian Kinchen's youngest son is named Beau.
His name was Polydorus.
Seth is the youngest son accounted for
Bud
Bud
The youngest mother is in her 70's today. She had a son when she was 5 and her name is Lina Medina.
Crartchit's oldest son was Peter. Hope this answers your question.
His youngest son is King and his oldest is Harlem.
His name is Trig and he is 2.
Cleopatra's youngest son was Ptolemy Philadelphos.
Kairos, Caerus - the youngest divine son of Zeus.