Otto W. Braun
Otto is GCD's great uncle. He was the older brother that grandmother Alma Pauline Braun never got to meet, as she was born about 15 months after Otto's death on Wednesday, 18 September 1889.
Wiki: "Bright's disease is a historical classification of kidney diseases that would be described in modern medicine as acute or chronic nephritis. It was characterized by edema, the presence of albumin in the urine and was frequently accompanied by high blood pressure (hypertension)."