Emily Sibley Watson's family

 Margaret Urling Sibley Iselin  (1893-1951)

“Urling,” the youngest child of Hiram Watson Sibley and Margaret Durbin Harper Sibley, was born during Emily Sibley Watson’s 1892-1893 trip to Egypt.  She was near in age to and a close friend of Emily Sibley Watson’s son James Sibley Watson, Jr.