His mother appeared on national television at many of her mother's presidential campaign trail events. His impending birth was viewed by several John McCain campaign advisers as something of a liability for the candidate and his running mate.
After his father ended his engagement to Bristol Palin, he married Sunny Oglesby and gave Tripp a half sister named Breeze.
Tripp Johnston is the nephew of Track, Willow, Piper, and Trig Palin. He has two younger half-sisters named Sailor and Atlee.
His grandfather, Todd Palin, was known first as a snowmobile racer and later as a political husband.