I think the sentence that uses it correctly is the last one.
One instance of foreshadowing occurs when Emily Grierson buys arsenic from the pharmacist. According to the narrator, Emily is a haughty aristocratic who thinks she is better than most of the other townspeople. Emily uses her demeanor to bully the druggist into selling her poison.
The pronouns in this phrase are:
who - relative
his - personal
he - personal
