Sean Quinn's family are likely to try to pursue the Central Bank and the Department of Finance, after they yesterday secured permission to sue Sean Fitzpatrick for damages.
The Quinn family claims that between 2007 and 2008, the former Anglo Irish Bank Chairman conspired with others to enter into unlawful contracts.
Because Sean Fitzpatrick is bankrupt, the Quinns needed High Court permission to sue him, and any damages awarded will come from an insurance company.
They are accusing the Central Bank and Department of breach of duty and other transgressions to bring them into the case.
Tom Lyons, Deputy Business Editor with the Sunday Independent, said such a move was likely to be "extremely complicated" and the Quinns will be "pushing on all three fronts" in the coming months.