Et tu aussi

Answer 1

Et ru Brute? Immortalized by Shakespeare's Julius Caesar, as Caesars last words

"You too, Brutus?", or "And you, Brutus?" or "Even you, Brutus?" The quotation is widely used in Western cultures as an epitome of betrayal.

Et tu, Lamon? Is a reference to Ward H. Lamon, a personal friend and self-appointed bodyguard of President Abraham Lincoln. Although he had warned Lincoln many times of assasination plots he was oldly out of town the night of Licoln's assasination. Sparking some to theorize that he was part of a much larger conspiracy to murder the president and cover it up.

"You too, Lamon?"

Answer 2

This is translated to English as "and you too".