 In the 1890s the Krohgs moved to Berlin.During a quarrel with August Strindberg, who became provoked when Oda tuned his guitar in front of the guests at a party at Strindberg's favorite bar, "Zum Schwarzen Ferkel", the dramatist Gunnar Heiberg defended her.Oda Krohg and Heiberg soon fell in love and in 1897, she took one of her children, her son Per, and moved to Paris with Heiberg.