 In 1838 Edward Robinson noted it on his travels, and in 1870 Victor Guérin found that Yamun had 500 inhabitants, and was divided into two quarters, each commanded by its own sheikh.In 1882 the PEF's "Survey of Western Palestine" described it as “A large village, with olives round it, standing on high ground, with a well on the east.This appears to be the 'Janna of the Onomasticon,’ 3 miles south of Legio; does not exactly agree, being 7 English miles."