Let A', B', C' be the altitude feet; A”, B”, C” their reflections in a line r through the orthocenter H; A*, B*, C* the isogonals of A”, B”, C” in ABC. The circles {A”BC}, {B”CA}, {C”AB} have a common point and the same happens with the circles{AB”C”}, {BC”A”}, {CA”B”} (figure 1). The circles {A*BC}, {B*CA}, {C*AB} have a common point and the same happens with the circles {AB*C*}, {BC*A*}, {CA*B*} (figure 2). When r is the Euler line, two concurrence points are in the ninecircle and two in the circumcircle of ABC.