The daughter of a woman who changed her name, went overseas and then disappeared believes “someone knows something” about what happened to her mother, whose presumed death has fuelled a popular podcast and is now the subject of a $1 million reward for information.

Marion Barter was aged 51 when she sold her home on Queensland’s Gold Coast, before taking a bus to the airport in June 1997 and flying to UK using a passport in the name of Florabella Natalia Marion Remakel, after changing her name a month earlier.

Marion Barter has not been seen since 1997. NSW Police

It’s believed she re-entered Australia in August that year, with an incoming passenger card stating she was married and lived in Luxembourg.

Barter was reported missing that October, the same month $80,000 was transferred from her account when she visited a Byron Bay bank branch.…