Levi Johnston
His name is Tripp Easton Mitchell Johnston.
Chelsea Clinton is a girl. Chelsea is one of those names that doesn't easily have a gender orientation. Basically it is the name of a suburb in London, UK. Similarly 'Bristol', the daughter of the Palins - Bristol is the name of a city in the UK, but 'Bristols' is a british nickname for 'breasts'.
Levi Johnston, the former fiancé of Sarah Palin's daughter Bristol, is the father of their child.
Piper
The father, Levi Johnston, told the Associated Press that his fiancee Bristol Palin's "due date" is December 18, 2008.
Tripp Easton Mitchell Johnston
His name is Trig and he is 2.
Bristol Palin's birth name is Bristol Sheeran Marie Palin.
her niece
Full Name: Bristol Sheeran Marie Palin
Edith Bristol's birth name is McPhee, Edith.
Both were pretty big deals but the only reason they were is because America is full of idiots and housewifes who have nothing better to do