Viktor Elm has joined AZ Alkmaar as a free agent and is hoping to persuade his brother Rasmus to remain with the Eredivisie club.
Heerenveen midfielder Viktor Elm intends to leave the Eredivisie club in search of a new challenge at the end of the season.
Two second-half goals from Viktor Elm and Bas Dost helped Heerenveen reach the semi-finals of the KNVB Beker with a 2-1 win at Vitesse Arnhem.
Heerenveen's Viktor Elm admits his side need to work on their attitude if they want to climb the table.
Heerenveen have advanced in the Dutch Cup following a 3-0 away success over Feyenoord.