Hospitality of Abraham Constantinople, laate 14th century Abraham was visited unexpectedly by three strangers, whom he recognized as angels. He fetched water for them and offered them food. After they had eaten, the angels told Abraham that his aged wife, Sarah, would bear him a son, and in the time the prophecy was filled. The angels are considered to be a symbol of the Holy Trinity, and Abraham's hospitality prefigures the Last Supper.