On November 16, 2018 in Bethesda, MD following a short illness. Loving mother to Sean (Octavia) and Dorothea Knigge of Washington, DC. Beloved grandmother to Sydney Knigge. She is also survived by her sister, Hanna, her brother, Hermann, and by many relatives in Germany. She worked as a registered nurse for the Howard University Hospital for 32 years. Johanna was much beloved by her family, friends, and neighbors. Guests are invited to call from 11:00 AM to 12:00 PM at Joseph Gawler’s Sons (5130 Wisconsin Ave NW, Washington, DC) on Monday November 26, 2018; a Celebration of Life service will follow at 12:00 PM.