Parties shall take the necessary legislative or other measures to ensure that the following circumstances, insofar as they do not already form part of the constituent elements of the offence, may, in conformity with the relevant provisions of internal law, be taken into consideration as aggravating circumstances in the determination of the sentence in relation to the offences established in accordance with this Convention:

     a.) the offence was committed against a former or current spouse or partner as recognised by internal law, by a

          member of the family, a person cohabiting with the victim or a person having abused her or his authority;

     b.) the offence, or related offences, were committed repeatedly;

     c.) the offence was committed against a person made vulnerable by particular circumstances;

     d.) the offence was committed against or in the presence of a child;

     e.) the offence was committed by two or more people acting together;

     f.) the offence was preceded or accompanied by extreme levels of violence;

     g.) the offence was committed with the use or threat of a weapon;

     h.) the offence resulted in severe physical or psychological harm for the victim;

     i.) the perpetrator had previously been convicted of offences of a similar nature.

https://rm.coe.int/168008482e