"Then said Jesus, Father, forgive them; for they know not what they do" is bracketed by Ne, questioned in the margins of the NIV, NKJV, RSV, GN and double bracketed by the NWT.
Burgon (14) p 83-5, states that the words are found in every known uncial except B, D, in every known cursive except 38, 435, a, b, d and in every ancient version except one of the Egyptian texts. Burgon also cites: 2nd Century: Hegesippus, Irenaeus; 3rd Century: Apostolic Constitutions, Clementine Homilies, disputation of Archelaus with Manes, Hippolytus, Origen, Tatian; 4th: Century: Acta Apostt. (Syrian Acts of the Apostles), Acta Philippi, Acta Pilati, Ambrose, Athanasius, Augustine, Basil, Chrysostom, Dionysius Areopagus, Ephraem Syrus, Ephraim, Eusebius, Gregory Nyssa, Hilary, Ignatius (c), Jerome, Justin Martyr (c), Theodorus; 5th Century: Cyril of Alexandria, Eutherius, Theodoret; 6th Century: Anastasius Sinaita, Hesychius; 7th Century: Andreas Cretensis, Antiochus the monk, Maximus; 8th Century: Amphilochius (c), Chrysostom (c), John Damascene. See also Fuller (32) p 139. Hills (3) p 132, (38) p 74, states that the words are omitted by Papyrus 75, B, D, W, Theta, 38, 435, some copies of the Old Latin, the Sinaitic Syriac and the Coptic versions but retained by the vast majority of Greek manuscripts, including Aleph, A, C, L, N, certain manuscripts of the Old Latin, the Curetonian, Peshitta, Hardean and Philoxenian Syriac. Berry's Greek text supports this passage.