'Twisted Time-Twins'

A new word/concept related to a juxtaposition of birth order. When two people are closely related by a particular criteria - usually marriage, work, or other association and have two different genesis orders. One is born after the other from the womb, yet the younger's first cell is older than the other. Examples include: Bill Clinton/Hillary Clinton, Leonard Nimoy/William Shatner, Barack Obama/Michelle Obama, David Letterman/Jay Leno, and Jimmy Carter/George H Bush.