Livia feeling a stepmother's bitterness towards Agrippina
Ann Book I Chapter 33: Revolt in Germania. Germanicus

Agrippina herself too being rather excitable, only her purity and love of her husband gave a right direction to her otherwise imperious disposition.
Ann Book I Chapter 33: Revolt in Germania. Germanicus

Protesting that she was a descendant of the Divine Augustus and could face peril with no degenerate spirit
Ann Book I Chapter 40: Revolt in Germania. Agrippina leaves the camp

Prevented the bridge over the Rhine from being destroyed
Ann Book I Chapter 69: War with the Germans. The bridge over the Rhine

Such zeal, he thought, could not be guileless; it was not against a foreign foe that she was thus courting the soldiers. Generals had nothing left them when a woman went among the companies, attended the standards, ventured on bribery, as though it showed but slight ambition to parade her son in a common soldier's uniform and wish him to be called Caesar Caligula.
Ann Book I Chapter 69: War with the Germans. The bridge over the Rhine
By Tiberius

Do you think a wrong is done you, dear daughter, if you are not empress?
Stn Tiberius Chapter 53: Death of Agrippina
By Tiberius