Ulrich Friis with his four siblings, in Denmark, 1881.
Signe, Ulrich, Louise, Thorvald, and Sofie.

"From left to Right: The five little ones of the Fries family. Signe Matilde (Dec. 10, 1865), Ulrich Engelhart, Dec. 19, 1866, Louise Augusta died Feb. 15, 1917, Thorvald Holger, died 1945, Sofie Magdalene, died 1889. The reason we were called the little ones was because 4 older children had died during an epidemic. The age of us were Signe 16, I 15, Louise 14, Thorvald 11 and Sofie 6." (Original text)