WREG: Baby is youngest in more than a decade to survive heart and lung transplant Baby is youngest in more than a decade to survive heart and lung transplant Stevie O'Reilly is a tiny warrior – Australia's youngest premature baby – born at just 22 weeks. Her proud parents have revealed how Stevie is thriving, sharing their exceptional journey from ... If you only have one sister and she is younger than you, she is your younger/little/baby sister.
If you have several sisters, it gets more complicated: The sisters closest to you in age, but younger, are your younger/little sisters. The youngest sister is then your "baby sister". (US) Then 7 years old is the youngest child, 13 years old is the oldest child, 13 and 9 years old are the two older children and 7 and 9 years old are the two younger children. This is not question about language but rather a question about sets to me.
what is the youngest baby to survive, When you are talking about the youngest or the oldest, that should be only one of that kind. His sister is his youngest sibling, but his younger sister. Since she is the lone female child, there is no need for the superlative form. Suppose, however, that there are more siblings, and their birth order goes like this: boy, girl, boy, boy, girl. my [young / younger / youngest] sisters - English Language & Usage ...
what is the youngest baby to survive, An only child is both the youngest and the oldest, sure. But you cannot say "the youngest of the two children", now can you? You would never ask someone which of their parents was the oldest. It just doesn’t feel right. The older parent is older than the other, since you can’t say that the oldest parent (of the two) is *oldest than the other.
