This will include information about the adopted person, their natural parents and other birth relatives, the adoptive parents and other persons involved in the adoption.
Bydd hyn yn cynnwys gwybodaeth am y person mabwysiedig, ei rieni naturiol a pherthnasau geni eraill, y rhieni sy'n mabwysiadu a phobl eraill sy'n ymwneud â'r mabwysiadu: