Jastrow, writer, [10]
Jeremiah of Constantinople, [180]
Jethro, [67], [74], [78], [81], [116]
Joannes de Hese, writer, [167], [168]
Joannicus I of Sinai, [179], [180]
Joannicus II of Sinai, [180]
Joasaph of Sinai, [178] ff.
John Cilix, writer, [111]
John Climacus, [110], [112], [130], [172]
John, monk, [107]