Yes
Abraham's second wife was Keturah, who bore him six more sons, one of who fostered the medianite tribes, these are the ones who lifted Joseph from the pit, selling him to the the Ishmalites(descendants of Abrahams first son by Sarah's handmaid), who then sold Joseph into Egypt.
Ishmael is his first born by a servant. Issac his second born by his wife.
Sarah
Abrahams wife
Rebekah was the wife of Abrahams son Iaac.
Isaacs mother was Sarah, that is Abrahams wife.
Lot was Abrahams nephew and not son in law.
The servant was sent to find a wife for Abrahams son Isaac.
Esau (Esav) and Jacob (Yaakov) were twins. Esau was the first to be born, with Jacob emerging literally on the heel of his brother.
Nothing in The Bible tells us about Sarah (Sari), Abrahams wife and the mother of Isaac.
According to the Bible in Genesis 17:15 God said to Abraham... (Changed her name from Sarai to "Sarah")
The Zamzam water story is a real story which includes Prophet Abrahams Wife and son Ismael