'Serug' () was the son of
Reu and the father of
Nahor, according to
Genesis 11:20-23. He is also the great-grandfather of
Abraham. In the
Masoretic text that modern Bibles are based on, he was 30 when Nahor was born, and lived to the age of 230. (Other early versions give different figures).
He is called 'Saruch' in the
Greek version of
Luke 3:35.
Further details are provided in
Jubilees, where it gives the names of his mother, Ora (11:1), and wife Milcah (11:6). It also states that his original name was 'Seroh', but that it was changed to ''Serug'' in the time when
Noah's children began to fight wars, and the city of
Ur was built, where Serug lived. It says this Serug was the first of the patriarchal line to abandon monotheism and turn to idol worship, teaching sorcery to his son Nahor.