It was a most unlikely road on which to encounter prospective converts, but there Philip encountered an Ethiopian eunuch who held the exalted position of treasurer to Queen Candace. (religion-online.org)
Then there is a fascinating account of the place of eunuchs in Byzantine life. (firstthings.com)
Jesus referred him to the classes of those who customarily didn't want to marry or couldn't marry - monks (for the sake of the kingdom of heaven - men damaged by the practice of making eunuchs for use as governmental servants (Egypt generally) and the class of people who «from their mother's womb «are not suited (for women?) (religion.blogs.cnn.com)