Merriam Webster's Biographical Dictionary @ Vipsania Agrippina, no parents, then elsewhere as Julia, d of
Marcus Vipsanius Agrippa & Julia (Augustus' daughter)
The cited information was published by Merriam Webster Inc., Springfield, MA, 1995 (Ref: Vipsania Agrippina, no parents, then elsewhere as Julia, d of
Marcus Vipsanius Agrippa & Julia (Augustus' daughter))