DEAR ABBY: My siblings and I are estranged. I live in a different state. My brother and I never got along and stopped speaking many years ago. My older sister and I, after a long, toxic relationship, finally had a blowout after Dad passed. We haven’t spoken since. My younger sister took my older sister’s side and doesn’t speak to me either.
I have communicated briefly via text and email with all my siblings regarding my parents' trust and final matters. My sisters still insist on texting me birthday wishes. Because of this, I feel obligated to send them a birthday text as well. I stress out weeks before their birthdays because of it.
I felt peaceful after becoming estranged from my older sister. I have many feelings of resentment toward all my siblings for having taken advantage of my parents, especially this older sister. She lived with them rent-free for many years. She refused to get a job and wouldn’t help out -- not even to clean their room when they were elderly.

News Source : https://www.oregonlive.com/advice/2025/01/dear-abby-im-estranged-from-all-my-siblings-must-i-respond-when-1-sends-me-a-happy-birthday-text.html