Following are a number of back-translations as well as a sample translation for translators of Genesis 27:1:

• Kankanaey: «When Isaac was already old and-at-the-same-time his eyes had-become-weak, he called Esau who was his older child and said, ‘Ay (vocative) my child.’ ‘What (lit. why)!’ said Esau.» (Source: Kankanaey Back Translation)
• Newari: «After he was no longer able to see well, having became a very old man, he called his eldest son, Esau.» (Source: Newari Back Translation)
• Hiligaynon: «Isaac was now very old and almost could not see anymore. One time, he called his oldest child Esau. He said, ‘Child.’ Esau replied, ‘What, father?'» (Source: Hiligaynon Back Translation)
• English: «When Isaac was old, he became almost blind. One day he summoned Esau, his firstborn/older son,» (Source: Translation for Translators)