ITV News understands that one of the alleged victims is this woman, Josephine, who is now believed to be 57 years old.
She is pictured here as part of an ITV documentary in 1997 about the death of Sian Davies, who died after a fall from the window of a house used by the group.
Press reports from 1978 say a then 22-year-old commune member, Josephine Herival, was arrested during a police raid on the group's headquarters in Brixton. Sian Davies was also arrested at the same time, according to the reports.
Josephine, pictured here, is believed to be the Irish woman mentioned in recent police reports.
Documentary footage of the man said to have kept three women as slaves in south London has been uncovered by ITV News.
The political past of a couple accused of holding three women against their will for more than 30 years, has emerged.
A couple were arrested after police arrested three alleged slavery victims said to have been held against their will for at least 30 years.