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'.
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
Bristol Palin's birth name is Bristol Sheeran Marie Palin.
His name is Trig and he is 2.
1
her niece
They had 3 daughters, Pepper, Shaniqua, and Bristol. Bristol (the eldest, married at 13) so she married Samuel Board, therefore Bristol was known as Bristol Board.
Full Name: Bristol Sheeran Marie Palin
Edith Bristol's birth name is McPhee, Edith.