Jacob was never permitted to marry Rebecca since she was his mother.
no she did not marry
Rachel and Rebecca Black are Jacob's older twin sisters.
Yes they can marry their cousins
Rebecca Hall married to Morgan Spector in 2015
Rachel and Rebecca.
rebecca and Victoria
jeremy billings
Cousins are permitted to marry in Scotland
Jacob doesn't marry anyone in New Moon- maybe you were thinking of Breaking Dawn.
Jacob's twin sisters, Rachel & Rebecca, are older than Jacob. Up untilBreaking Dawn, Rachel was going to Washington State on a scholarship. Rebecca lives in Hawaii and is married to a Samoan surfer. Reference page 119 & 120 of Twilight.
Jacob's sisters are Rachel and Rebecca and they are twins, around 19 or 20
Rachel & Rebecca