Esau (firstborn son) Jacob (son)
Half-brother by Hagar: Ishmael (half-brother) Half-siblings by Keturah: Zimran Jokshan Medan Midian Ishbak Shuah
Abraham (father) Sarah (mother)
Isaac was the son of Abraham and Sarah. His wife was Rebekah, and his two sons were Esau and Jacob. Esau was the oldest and Isaac's favorite.