Complex sentence: The earliest development of Christian worship is documented in the New Testament and Church Fathers including Justin Martyr, Irenaeus and Hippolytus of Rome (c.170-c.236), and seems to be liturgical.
Split into simpler sentences: The earliest development of Christian worship is documented in the New Testament. Subsequently the theme of worship is taken up by many of the Church Fathers including Justin Martyr, Irenaeus and Hippolytus of Rome (c.170-c.236), and seems to be liturgical.