Yes, the character of Aunt Jennifer wins our sympathy as a reader. Her ordeals and sufferings move the reader. Even the speaker in the poem shows sympathy and pity towards her. The speaker says that even after Aunt Jennifer's death, she will be terrified of her husband and the ordeals of her marriage with a suppressed desire to be free.
Aunt Jennifer’s fingers fluttering through her wool
Find even the ivory needle hard to pull. The massive
weight of wedding band Uncle's
sits heavily upon Aunt Jennifer’s hand.