Buddhism: being a Sketch of the Life and Teachings of Gautama, the Buddha, by T. W. Rhys Davids, M.A. Ph.D. (Society for Promoting Christian Knowledge, London 1882)
Page 183. ‘His mother was the best and the purest of the daughters of men.’
In the footnote of page 183, Davids quotes St. Jerome:
‘St. Jerome says (contra Jovian. bk. I): ‘It is handed down as a tradition among the Gymnosophists of India, that Buddha, the founder of their system, was brought forth by a virgin from her side.’