you two; both of you
Used to address two people, typically males of equal or lower status. Formal and somewhat old-fashioned; in modern casual speech, 二人とも or 君たち is more common.
I entrust this project to you two.
two monarchs; two rulers
Refers to two sovereigns or heads of state. Rare and mostly found in historical or formal political contexts.
The treaty was concluded in the names of the two monarchs.
I'd like to hear the opinions of both of you.