Two former senior executives with the Quinn group are "very reluctant" witnesses in the action by Sean Quinn's adult children disputing any liability under guarantees for loans of more than €415m, the High Court has been told.

Complaints by Sean Quinn Junior and his wife Karen Woods about a recent failure to pay some of their €100,000 annual living expenses should be seen in the context of a “scheme of misappropriation on a grand scale”, the High Court has been told.