Elizabeth is described as a "relative" of Mary the mother of Jesus, in . There is no mention of a family relationship between John and Jesus in the other Gospels, and Raymond E. Brown has described it as "of dubious historicity". Géza Vermes has called it "artificial and undoubtedly Luke's creation". The many similarities between the Gospel of Luke story of the birth of John and the Old Testament account of the birth of Samuel suggest that Luke's account of the annunciation and birth of Jesus are modeled on that of Samuel.