Levi Johnston is granted shared custody of Tripp Palin , now a year old . Bristol County requested that proceedings be closed to avoid a ` ` media circus '' Johnston ' case made public to protect himself from ex - wife 's powerful family . Johnston joined the family at the Republican National Convention after the campaign confirmed that Bristol , then 17 , was five months pregnant with his child . Unsealed court documents were published online by the Anchorage Daily News .
Levi Johnston is granted shared custody of Tripp Palin , now a year old . Bristol County requested that proceedings be closed to avoid a ` ` media circus '' Johnston ' case made public to protect himself from ex - wife 's powerful family . Unsealed court documents were published online by the Anchorage Daily News .