Serug (Hebrew: שְׂרוּג, Śərūḡ ; "branch") 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 another 200 years, making his age at death 230.