To my friends, I tell the story as a joke. If Sarafina comes up in conversation, she — who bought me a beautiful pink tutu when I was nine and gave me beads and clasps to make my own jewelry when I was 14 and took me to Birdland to hear jazz when I was 19 — is now cast as an eccentric. She is my crazy aunt, the one who changed her name. # Peggy’s new name and lifestyle elicit revelations within the family. We used to find her lying on the ground, staring, my mother says. She’d bless...