Foreshadowing
The sentence "I will take the wall of any man or maid of Montagues" is a declaration of intent and does not contain any literary devices. It is not a simile, personification, alliteration, or foreshadowing.
personification
Alliteration, Biblical allusions, parallel sentence structure, metaphors, and personification.
alliteration
An alliteration is a phrase that contains the same letters or sounds over and over, like "the purple pansies paled when picked." The sentence you quoted does not show this.
In order to identify the literary device used in a sentence, I would need to know the specific sentence you are referring to. Literary devices can include metaphors, similes, personification, imagery, alliteration, etc. Each device conveys meaning in a unique way.
sentence with alliteration
Alliteration is hard.
First, you learn what alliteration is. Then, you think of "launch" and how you would use it in a sentence. Then you write a sentence with "launch" and an alliteration of it.
The Capulats said it in Romeo and Juliet, they hated the Montagues.
First, you learn what alliteration is. Then, you think of "launch" and how you would use it in a sentence. Then you write a sentence using "launch" and an alliteration of it.
Alliteration
A sentence using personification is "the wind gently brushed the hair away from my face."