Leo Blair.
Yes Tony Blairs Son. Callled Tony JR.
Tony Blair's last child, a daughter named Florence, was born on March 26, 2000. She is the youngest of his three daughters with his wife, Cherie Blair. The couple also has two older daughters, Kathryn and Nikki, and a son, Euan.
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.